Dr. Lisa Rene Gnas , DO
General Practice • Canton, MI
5820 N Canton Center Rd Ste 181
Canton, MI 481872651
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 June 6, 2008; this date does not establish years in practice.
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Published CMS data list 13 Original Medicare Part B services in 2022.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2022. Published rows only; this is not a quality measure.
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Published Part B service records, 2022:
- 99213 — Established patient outpatient office visit: 13 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2022. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2021 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2022). CPT notice
See the full table · Guide: How to read Medicare Part B data
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Published CMS data list 328 Medicare Part D prescriptions, including refills, in 2021.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2021. Published rows only; this is not a quality measure.
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Published Part D records, 2021:
- Oxycodone Hcl — 69 prescription fills, including refills.
- Cyclobenzaprine Hcl — 60 prescription fills, including refills.
- Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) — 38 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2021. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 13 records in the table · Guide: How to read Medicare Part D prescriber data
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Medicare Part B services went from 190 in 2017 to 13 in 2022.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2017–2022.
Practice Location & Contact Primary Location
5820 N Canton Center Rd Ste 181
Canton, MI 481872651
What Public CMS Data Show
General Practice: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $1,223 in 2022
The total amount Medicare approved for these services in 2022. 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, 2022.
Paid by Medicare
About $650 in 2022
The part of the Medicare-allowed amount that Medicare itself paid in 2022, 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, 2022.
30-day fills
328 standardized 30-day fills in 2021
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
$7,992 in 2021
The total cost of these prescriptions in 2021, 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, 2021.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019–2025.
NPI first issued
2008
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.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
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?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Gnas 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. Gnas 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 Canton and Michigan
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Dr. Gnas are from 2022.
Medicare Part D
Comparisons use 2024 data. The latest CMS data for Dr. Gnas are from 2021.
4 active clinicians are listed under General Practice with a practice address in Canton, MI (369 in Michigan).
Addresses are self-reported to NPPES and may be out of date.
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 93% from 190 in 2017 to 13 in 2022.
- 2017: 190
- 2018: 197
- 2019: 178
- 2020: 94
- 2022: 13
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Medicare-allowed amount
Medicare-allowed amount decreased 92% from $15,620 in 2017 to $1,223 in 2022.
- 2017: $15,620
- 2018: $17,084
- 2019: $14,878
- 2020: $7,328
- 2022: $1,223
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Paid by Medicare
Paid by Medicare decreased 94% from $10,877 in 2017 to $650 in 2022.
- 2017: $10,877
- 2018: $11,161
- 2019: $10,463
- 2020: $4,078
- 2022: $650
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Medicare Part D prescriptions
Medicare Part D prescriptions increased 128% from 144 in 2017 to 328 in 2021.
- 2017: 144
- 2018: 157
- 2019: 520
- 2020: 270
- 2021: 328
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30-day fills
30-day fills increased 122% from 148 in 2017 to 328 in 2021.
- 2017: 148
- 2018: 157
- 2019: 882
- 2020: 417
- 2021: 328
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Part D drug cost
Part D drug cost increased 484% from $1,369 in 2017 to $7,992 in 2021.
- 2017: $1,369
- 2018: $1,514
- 2019: $6,302
- 2020: $3,069
- 2021: $7,992
Sources: CMS Medicare Physician & Other Practitioners (2022), CMS Medicare Part D Prescribers (2021), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2021 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, 2017–2022; 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
|
13 | 13 | $235.17 | $94.07 |
Source: CMS Part B by Provider and Service, 2022; 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 2021.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Oxycodone Hcl | Oxycodone Hcl | 69 | 2,036 | $2,660.52 | 24 |
| Cyclobenzaprine Hcl | Cyclobenzaprine Hcl | 60 | 1,800 | $807.75 | 17 |
| Oxycodone-Acetaminophen | Oxycodone Hcl/Acetaminophen | 38 | 923 | $886.34 | 12 |
| Ibuprofen | Ibuprofen | 37 | 1,100 | $243.49 | 11 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 20 | 600 | $1,031.97 | — |
| Naproxen | Naproxen | 17 | 510 | $133.31 | — |
| Lisinopril | Lisinopril | 16 | 480 | $32.83 | — |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 14 | 360 | $399.19 | — |
| Lidocaine | Lidocaine | 12 | 350 | $393.72 | — |
| Narcan | Naloxone Hcl | 12 | 256 | $1,207.95 | — |
| Meloxicam | Meloxicam | 11 | 330 | $129.84 | — |
| Amlodipine Besylate | Amlodipine Besylate | 11 | 330 | $38.23 | — |
| Hydrochlorothiazide | Hydrochlorothiazide | 11 | 330 | $26.44 | — |
Source: CMS Part D by Provider and Drug, 2021; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2023-10-03NUCC Taxonomy Code: 208D00000X
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
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.
Additional State Medicaid & Healthcare Payer Identifiers
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - OSTEOPATHIC MANIPULATIVE MEDICINE
I20080904000179
MI
7810063542
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 5820 N CANTON CENTER RD STE 181, CANTON, MI 481872651 (Tel: 8778824800)
Registered at 5820 N CANTON CENTER RD STE 181, CANTON, MI 481872651 (Tel: 8778824800)
Registered at 7272 N SHELDON RD, CANTON, MI 481872150 (Tel: 8778824480)
Registered at 7272 N SHELDON RD, CANTON, MI 481872150 (Tel: 8778824480)
Internal Medicine (license number reported to NPPES: MI 5101013946)
NPI status registered as active in NPPES database
Registered at 1911 PARMENTER BLVD, 112, ROYAL OAK, MI 480731231 (Tel: 2482883591)
Registered at 11477 E 12 MILE RD, WARREN, MI 48093 (Tel: 5867510200)
Recorded as LISA GNAS, D.O.
General Practice (license number reported to NPPES: MI 5101013946)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Mailing Address
5820 N Canton Center Rd Ste 181
Canton, MI 481872651
Phone: 8778824800