Dr. Barry S Meyer , DO
Internal Medicine • Warren, MI
23423 Ryan Rd
Warren, MI 480911927
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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NPI assigned on November 11, 2005; this date does not establish years in practice.
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Published CMS data list 2,097 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 99213 — Established patient outpatient office visit: 511 service units.
- G0506 — Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service): 190 service units.
- 99490 — Chronic care management services: 145 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See all 30 records in the table · Guide: How to read Medicare Part B data
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Published CMS data list 11,098 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) — 1,100 prescription fills, including refills.
- Albuterol Sulfate Hfa (Albuterol Sulfate) — 577 prescription fills, including refills.
- Ozempic (Semaglutide) — 363 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 160 records in the table · Guide: How to read Medicare Part D prescriber data
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More Medicare Part B services than 85% of clinicians listed under Internal Medicine in Warren, MI (2024, 55 clinicians with data). Median for this group: 504. Middle half: 307 to 1,084.
More Medicare Part B services than 90% of clinicians listed under Internal Medicine in Michigan (2024, 3,244 clinicians with data). Median for this group: 502. Middle half: 235 to 939.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 9,941 in 2020 to 2,097 in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2020–2024.
Practice Location & Contact Primary Location
23423 Ryan Rd
Warren, MI 480911927
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
Des Moines University Of Osteopathic Medicine And Health Sciences
1991
What Public CMS Data Show
Internal Medicine: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
100 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.
Medicare-allowed amount
About $161,919 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
Paid by Medicare
About $122,527 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
30-day fills
16,625 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$1,143,181 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.
Open Payments general payments, program year 2025
All general payments: $348.72 across 14 records.
By nature of payment
- Food and Beverage: $348.72 across 14 records.
Reporting-company totals (3 largest of 6)
- AstraZeneca Pharmaceuticals LP: $199.33 across 5 records.
- GlaxoSmithKline, LLC.: $50.76 across 3 records.
- Novo Nordisk Inc: $44.63 across 3 records.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
Years since graduation
35 years (graduated 1991)
CMS Doctors and Clinicians data list 1991 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2005
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
Telehealth (some services)
Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.
You may be able to have some visits without going to the office. Ask which visits can be done by telehealth.
What this does not show: Telehealth (some services)
It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Meyer has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Meyer as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Warren and Michigan
Billing and prescribing volume is not a quality rating.
Medicare Part B services
More Medicare Part B services than 85% of clinicians listed under Internal Medicine in Warren, MI (2024, 55 clinicians with data). Median for this group: 504. Middle half: 307 to 1,084.
More Medicare Part B services than 90% of clinicians listed under Internal Medicine in Michigan (2024, 3,244 clinicians with data). Median for this group: 502. Middle half: 235 to 939.
Medicare-allowed amount
A higher Medicare-allowed amount than 85% of clinicians listed under Internal Medicine in Warren, MI (2024, 55 clinicians with data). Median for this group: $53,946. Middle half: $28,799 to $93,026.
A higher Medicare-allowed amount than 90% of clinicians listed under Internal Medicine in Michigan (2024, 3,244 clinicians with data). Median for this group: $45,163. Middle half: $22,487 to $79,883.
Paid by Medicare
A higher Medicare payment amount than 85% of clinicians listed under Internal Medicine in Warren, MI (2024, 55 clinicians with data). Median for this group: $42,609. Middle half: $22,172 to $72,793.
A higher Medicare payment amount than 90% of clinicians listed under Internal Medicine in Michigan (2024, 3,244 clinicians with data). Median for this group: $34,631. Middle half: $16,935 to $61,333.
Medicare Part D prescriptions
More Part D prescriptions than 95% of clinicians listed under Internal Medicine in Warren, MI (2024, 59 clinicians with data). Median for this group: 724. Middle half: 129 to 3,367.
More Part D prescriptions than 90% of clinicians listed under Internal Medicine in Michigan (2024, 3,463 clinicians with data). Median for this group: 801. Middle half: 94 to 5,032.
Part D drug cost
A higher Part D drug cost than 95% of clinicians listed under Internal Medicine in Warren, MI (2024, 59 clinicians with data). Median for this group: $55,064. Middle half: $4,142 to $284,164.
A higher Part D drug cost than 90% of clinicians listed under Internal Medicine in Michigan (2024, 3,463 clinicians with data). Median for this group: $66,958. Middle half: $1,946 to $462,816.
90 active clinicians are listed under Internal Medicine with a practice address in Warren, MI (5,741 in Michigan).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Warren
14.4% of these 90 clinicians have the CMS telehealth indicator.
62.2% of these 90 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services decreased 79% from 9,941 in 2020 to 2,097 in 2024.
- 2020: 9,941
- 2021: 8,932
- 2022: 6,318
- 2023: 3,236
- 2024: 2,097
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Medicare-allowed amount
Medicare-allowed amount decreased 73% from $592,340 in 2020 to $161,919 in 2024.
- 2020: $592,340
- 2021: $597,257
- 2022: $422,022
- 2023: $235,360
- 2024: $161,919
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Paid by Medicare
Paid by Medicare decreased 74% from $477,084 in 2020 to $122,527 in 2024.
- 2020: $477,084
- 2021: $479,841
- 2022: $336,587
- 2023: $179,949
- 2024: $122,527
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Medicare Part D prescriptions
Medicare Part D prescriptions decreased 15% from 13,042 in 2020 to 11,098 in 2024.
- 2020: 13,042
- 2021: 13,789
- 2022: 12,503
- 2023: 12,392
- 2024: 11,098
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30-day fills
30-day fills decreased 12% from 18,811 in 2020 to 16,625 in 2024.
- 2020: 18,811
- 2021: 20,177
- 2022: 19,112
- 2023: 18,849
- 2024: 16,625
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Part D drug cost
Part D drug cost decreased 16% from $1,354,323 in 2020 to $1,143,181 in 2024.
- 2020: $1,354,323
- 2021: $1,559,024
- 2022: $1,610,535
- 2023: $1,899,313
- 2024: $1,143,181
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $659.47 in 2021 to $348.72 in 2025.
- 2021: $659.47
- 2022: $239.59
- 2023: $390.99
- 2024: $291.01
- 2025: $348.72
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 – December 31, 2025): 14 records totaling $348.72.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| AstraZeneca Pharmaceuticals LP |
Food and Beverage
In-kind items and services
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BREZTRI | General | $120.91 |
| AstraZeneca Pharmaceuticals LP |
Food and Beverage
In-kind items and services
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— | General | $21.86 |
| AstraZeneca Pharmaceuticals LP |
Food and Beverage
In-kind items and services
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— | General | $21.80 |
| Exact Sciences Corporation |
Food and Beverage
In-kind items and services
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Cologuard Collection Kit | General | $20.12 |
| Amgen Inc. |
Food and Beverage
In-kind items and services
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OTEZLA | General | $18.67 |
| GlaxoSmithKline, LLC. |
Food and Beverage
In-kind items and services
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TRELEGY ELLIPTA | General | $18.47 |
| AstraZeneca Pharmaceuticals LP |
Food and Beverage
In-kind items and services
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AIRSUPRA | General | $18.20 |
| Novo Nordisk Inc |
Food and Beverage
In-kind items and services
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— | General | $17.47 |
| GlaxoSmithKline, LLC. |
Food and Beverage
In-kind items and services
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TRELEGY ELLIPTA | General | $16.97 |
| AstraZeneca Pharmaceuticals LP |
Food and Beverage
In-kind items and services
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— | General | $16.56 |
| GlaxoSmithKline, LLC. |
Food and Beverage
In-kind items and services
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TRELEGY ELLIPTA | General | $15.32 |
| Verona Pharma, Inc. |
Food and Beverage
Cash or cash equivalent
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Ohtuvayre | General | $15.21 |
| Novo Nordisk Inc |
Food and Beverage
In-kind items and services
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— | General | $13.70 |
| Novo Nordisk Inc |
Food and Beverage
In-kind items and services
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— | General | $13.46 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
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511 | 85 | $125.00 | $90.69 |
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G0506
Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service)
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190 | 77 | $80.00 | $62.51 |
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99490
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month
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145 | 70 | $85.00 | $62.80 |
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99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
|
114 | 60 | $160.00 | $128.25 |
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99483
Assessment of and care planning for patient with impaired thought processing, typically 60 minutes
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102 | 69 | $350.00 | $272.26 |
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99442
Telephone medical discussion with physician, 11-20 minutes
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90 | 49 | $100.00 | $84.29 |
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99443
Telephone medical discussion with physician, 21-30 minutes
|
84 | 44 | $150.00 | $127.06 |
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36415
Insertion of needle into vein for collection of blood sample
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81 | 59 | $10.00 | $8.56 |
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96372
Injection of drug or substance under skin or into muscle
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74 | 26 | $37.30 | $14.18 |
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83036
Hemoglobin a1c level
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69 | 48 | $25.00 | $9.52 |
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94664
Evaluation of use of breathing device
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61 | 36 | $30.00 | $17.88 |
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G0444
Annual depression screening, 5 to 15 minutes
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57 | 57 | $40.00 | $18.62 |
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J1010
Injection, methylprednisolone acetate, 1 mg
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57 | 25 | $15.00 | $0.13 |
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94060
Test to measure expiratory airflow and volume changes before and after medication administration
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54 | 37 | $150.00 | $38.32 |
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G0439
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
|
52 | 52 | $185.00 | $129.69 |
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20610
Aspiration and/or injection of fluid from large joint
|
50 | 23 | $100.00 | $66.70 |
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81002
Urinalysis, manual test
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39 | 23 | $10.00 | $3.41 |
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J0696
Injection, ceftriaxone sodium, per 250 mg
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34 | 16 | $10.00 | $0.46 |
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71046
X-ray of chest, 2 views
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30 | 21 | $50.00 | $33.13 |
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87811
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)
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29 | 28 | $60.00 | $40.55 |
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U0002
2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc
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29 | 28 | $100.00 | $50.28 |
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74019
X-ray of abdomen, 2 views
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22 | 17 | $65.00 | $36.08 |
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93970
Ultrasound study of arm or leg veins with compression and maneuvers
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20 | 14 | $300.00 | $183.43 |
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90661
Influenza vaccine, trivalent derived from cell cultures
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16 | 16 | $50.00 | $36.11 |
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93306
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function
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16 | 16 | $416.25 | $180.16 |
(top 25 shown)
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 1,100 | 30,858 | $17,720.01 | 110 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 577 | 15,910 | $18,849.64 | 114 |
| Ozempic | Semaglutide | 363 | 10,546 | $330,046.06 | 49 |
| Fluticasone-Salmeterol | Fluticasone Propion/Salmeterol | 305 | 9,330 | $44,257.75 | 42 |
| Simvastatin | Simvastatin | 279 | 18,529 | $1,902.90 | 74 |
| Lisinopril | Lisinopril | 252 | 18,368 | $2,050.19 | 59 |
| Levothyroxine Sodium | Levothyroxine Sodium | 248 | 16,558 | $3,283.46 | 57 |
| Cyclobenzaprine Hcl | Cyclobenzaprine Hcl | 236 | 7,693 | $809.38 | 58 |
| Losartan Potassium | Losartan Potassium | 234 | 17,077 | $2,127.61 | 63 |
| Atorvastatin Calcium | Atorvastatin Calcium | 224 | 15,830 | $1,955.88 | 59 |
| Metformin Hcl | Metformin Hcl | 224 | 14,072 | $3,475.69 | 55 |
| Amlodipine Besylate | Amlodipine Besylate | 221 | 12,334 | $1,235.74 | 48 |
| Pantoprazole Sodium | Pantoprazole Sodium | 208 | 11,690 | $1,866.08 | 55 |
| Ibuprofen | Ibuprofen | 187 | 6,723 | $1,661.79 | 37 |
| Mometasone Furoate | Mometasone Furoate | 183 | 5,610 | $22,809.41 | 18 |
| Omeprazole | Omeprazole | 176 | 11,144 | $1,313.40 | 60 |
| Furosemide | Furosemide | 170 | 7,376 | $460.40 | 46 |
| Prednisone | Prednisone | 166 | 991 | $141.96 | 81 |
| Metoprolol Tartrate | Metoprolol Tartrate | 161 | 9,888 | $927.41 | 41 |
| Azithromycin | Azithromycin | 161 | 801 | $446.91 | 100 |
| Naproxen | Naproxen | 153 | 6,705 | $5,530.16 | 50 |
| Sertraline Hcl | Sertraline Hcl | 143 | 7,505 | $1,150.02 | 30 |
| Hydrochlorothiazide | Hydrochlorothiazide | 129 | 7,754 | $384.01 | 29 |
| Duloxetine Hcl | Duloxetine Hcl | 125 | 5,850 | $4,946.97 | 28 |
| Gabapentin | Gabapentin | 124 | 3,716 | $802.92 | 32 |
(top 25 shown)
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - INTERNAL MEDICINE
I20050203000407
MI
0345291613
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Podiatrist - Primary Podiatric Medicine
Doctor of Podiatric Medicine
Career & Practice History
NPI enumerated November 11, 2005.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.
NPI Administrative Meta
Other Internal Medicine Providers in Warren
- Dr. Pavan Ravipati, MD
- Dr. Leslie Scott, DO
- Dr. Stephen Kehres, DO
- Dr. Ayinde Bourne, DO
- Dr. Bhavana Liyanaarachchi, DO
- Dr. Michael Rottman, MD
Mailing Address
23423 Ryan Rd
Warren, MI 480911927
Phone: 5867555400