NPPES file of Aug 9, 2026

Thomas Robert Ronay, M.D.

Family Medicine Physician · San Francisco, CA

Thomas Robert Ronay, M.D. is a family medicine physician with a practice address in San Francisco, California, and NPI 1649478009, issued on Jul 6, 2007. Check the license (California A128921, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649478009
Name
Thomas Robert Ronay
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A128921 CA
Self-reported in NPPES; status is on the state search
Practice location
2300 Sutter St Ste 205, San Francisco, CA 94115
Phone
(415) 840-0560
Enumerated
Jul 6, 2007
Record last updated
Oct 22, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(415) 779-8032
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2300 Sutter St Ste 205

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Gary Collins, RNCommunity Health Registered Nurse1902691280

Verify Thomas Robert Ronay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A128921
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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98% fewer Medicare Part D claims than the average family medicine physician in 2024

65 Medicare Part D claims for 31 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Thomas Ronay65
  2. Specialty average3,544

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $15.17

1 payment: food and beverage; the largest payer was iRhythm Technologies, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Ronay$15.17
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Thomas Robert Ronay among 17,133 family medicine physician records in California

Thomas Robert Ronay, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 47% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2019 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in California

There are 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Payal Bhandari, M.D.San Francisco, CA 941151710922935
  2. Eduardo Dolhun, MDSan Francisco, CA 941151548328214
  3. Jeffrey Draisin, M.D.San Francisco, CA 941151356362883
  4. Arkady Gendelman, M.D.San Francisco, CA 941151104839620
  5. Lorena Hillman, MDSan Francisco, CA 941151659445963
  6. Sheena Kumar, MDSan Francisco, CA 941151346314663
  7. Alex Lin, MDSan Francisco, CA 941151639257298
  8. Robert Mitchell, MDSan Francisco, CA 941151871527523

Common questions

What is Thomas Robert Ronay, M.D.'s NPI number?

Thomas Robert Ronay, M.D.'s National Provider Identifier (NPI) is 1649478009, issued on Jul 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Robert Ronay, M.D. located?

The NPPES record lists a practice address at 2300 Sutter St Ste 205, San Francisco, CA, 94115. Phone: (415) 840-0560. Providers update this record themselves, so call before visiting.

How can I verify Thomas Robert Ronay, M.D.'s license?

NPPES lists California license number A128921, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas Robert Ronay, M.D. prescribe under Medicare Part D?

In 2024, Thomas Robert Ronay, M.D. had 65 Medicare Part D claims for 31 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.