Dr. Thomas M Ronan , MD
General Practice • Phoenix, AZ
4730 E Indian School Rd Ste 211
Phoenix, AZ 850185410
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 October 4, 2006; this date does not establish years in practice.
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Published CMS data list 85 Original Medicare Part B services in 2018.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018. Published rows only; this is not a quality measure.
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Published Part B service records, 2018:
- 99214 — Established patient outpatient office visit: 52 service units.
- 99204 — New patient outpatient office visit: 20 service units.
- 99203 — New patient outpatient office visit: 13 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2017 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2018). CPT notice
See the full table · Guide: How to read Medicare Part B data
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Published CMS data list 45 Medicare Part D prescriptions, including refills, in 2018.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2018. Published rows only; this is not a quality measure.
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Published Part D records, 2018:
- Prednisone — 22 prescription fills, including refills.
- Amoxicillin — 12 prescription fills, including refills.
- Doxycycline Hyclate — 11 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2018. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See the full table · Guide: How to read Medicare Part D prescriber data
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Medicare Part B services went from 184 in 2017 to 85 in 2018.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2017–2018.
Practice Location & Contact Primary Location
4730 E Indian School Rd Ste 211
Phoenix, AZ 850185410
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
General Practice: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $9,528 in 2018
The total amount Medicare approved for these services in 2018. 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, 2018.
Paid by Medicare
About $5,281 in 2018
The part of the Medicare-allowed amount that Medicare itself paid in 2018, 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, 2018.
30-day fills
45 standardized 30-day fills in 2018
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
$526 in 2018
The total cost of these prescriptions in 2018, 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, 2018.
Industry payments (Open Payments)
Fewer than 11 payment records totaling $16.11 in 2019
Drug and medical device companies must report certain payments to doctors and some other clinicians to CMS, such as meals, travel, speaking fees or research funding.
It shows reported financial ties between this clinician and companies. You can ask your clinician about them.
These records are submitted by drug and medical device companies, and a reported payment does not necessarily mean the financial relationship is improper.
General: payments not tied to research, such as meals, travel, consulting or speaking fees.
A reported payment does not necessarily mean the financial relationship is improper. Research payments can go to a hospital or university for a study the clinician leads, not to the clinician personally. Clinicians can dispute records with the company that reported them.
Source: CMS Open Payments, program year 2019.
NPI first issued
2006
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.
Compared with the same specialty in Phoenix and Arizona
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Dr. Ronan are from 2018.
Medicare Part D
Comparisons use 2024 data. The latest CMS data for Dr. Ronan are from 2018.
57 active clinicians are listed under General Practice with a practice address in Phoenix, AZ (228 in Arizona).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Phoenix
5.3% of these 57 clinicians have the CMS telehealth indicator.
14% of these 57 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 54% from 184 in 2017 to 85 in 2018.
- 2017: 184
- 2018: 85
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Medicare-allowed amount
Medicare-allowed amount decreased 39% from $15,531 in 2017 to $9,528 in 2018.
- 2017: $15,531
- 2018: $9,528
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Paid by Medicare
Paid by Medicare decreased 49% from $10,374 in 2017 to $5,281 in 2018.
- 2017: $10,374
- 2018: $5,281
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Medicare Part D prescriptions
Medicare Part D prescriptions decreased 62% from 117 in 2014 to 45 in 2018.
- 2014: 117
- 2015: 32
- 2016: 59
- 2017: 110
- 2018: 45
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30-day fills
30-day fills decreased 62% from 118 in 2014 to 45 in 2018.
- 2014: 118
- 2015: 32
- 2016: 59
- 2017: 110
- 2018: 45
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Part D drug cost
Part D drug cost went from $743 in 2014 to $526 in 2018.
- 2014: $743
- 2015: $142
- 2016: $264
- 2017: $709
- 2018: $526
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Industry payments (Open Payments)
CMS data for industry payments (Open Payments) are available for 2019 only.
Sources: CMS Medicare Physician & Other Practitioners (2018), CMS Medicare Part D Prescribers (2018), CMS Open Payments (2019), 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 2019 (payments made January 1 – December 31, 2019): fewer than 11 records totaling $16.11.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| BOSTON SCIENTIFIC CORPORATION |
Food and Beverage
In-kind items and services
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GENERAL ATHERECTOMY | General | $16.11 |
Source: CMS Open Payments, program year 2019, 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 2016–2017 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, 2017–2018; 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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99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
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52 | 50 | $172.40 | $99.45 |
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99204
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
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20 | 20 | $261.00 | $152.95 |
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99203
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
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13 | 13 | $174.62 | $99.82 |
Source: CMS Part B by Provider and Service, 2018; 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 2018.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Prednisone | Prednisone | 22 | 96 | $50.18 | 22 |
| Amoxicillin | Amoxicillin | 12 | 111 | $74.92 | 12 |
| Doxycycline Hyclate | Doxycycline Hyclate | 11 | 95 | $400.51 | 11 |
Source: CMS Part D by Provider and Drug, 2018; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC 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: 2083P0500X
A preventive medicine physician who specializes in preventive medicine/occupational-environmental medicine, which is focused on protecting the population from occupational and environmental conditions.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Emergency Medicine
Doctor of Medicine (M.D.)
Emergency Medicine
Doctor of Osteopathic Medicine (D.O.)
Physician Assistant
Physician Assistant (Certified)
Physician Assistant
Emergency Medicine
Doctor of Osteopathic Medicine (D.O.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
NPI status registered as active in NPPES database
Registered at 4730 E INDIAN SCHOOL RD STE 211, PHOENIX, AZ 850185410 (Tel: 6023543491)
Registered at 3525 N CHAMBERS CT, SCOTTSDALE, AZ 852515726 (Tel: 4809473018)
Recorded as THOMAS RONAN, MD
Preventive Medicine (license number reported to NPPES: AZ 25457)
NPI status registered as active in NPPES database
Registered at 1492 S MILL AVE STE 101, TEMPE, AZ 852815660 (Tel: 4809212273)
Registered at 3525 N CHAMBERS CT, SCOTTSDALE, AZ 852515726 (Tel: 4809473018)
Recorded as THOMAS RONAN, MD
Preventive Medicine (license number reported to NPPES: AZ 25457)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other General Practices in Phoenix
- Dr. Aaron Degroot, DO
- Itoro Elijah
- Dr. Edward Tognacci, DO
- Dr. Lauren Ibarra, DO
- Dr. Ira Snider, DO
- Dr. Michael Levit, DO
Mailing Address
3525 N Chambers Ct
Scottsdale, AZ 852515726
Phone: 4809473018