NPPES file of Aug 9, 2026

Robert Bradley Williams, M.D

Internal Medicine Physician · San Francisco, CA

Robert Bradley Williams, M.D is an internal medicine physician with a practice address in San Francisco, California, and NPI 1225193667, issued on Dec 26, 2006. Check the license (California A92069, 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
1225193667
Name
Robert Bradley Williams
Credential
M.D
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A92069 CA
Self-reported in NPPES; status is on the state search
Practice location
240 Shotwell St, San Francisco, CA 94110
Phone
(415) 552-1013
Enumerated
Dec 26, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(415) 431-3178
Medicare enrollment
Enrolled (PECOS I20080108000586); accepts Medicare assignment
Medical or professional school
University Of South Alabama College Of Medicine, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 240 Shotwell St

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

  1. Ricardo Alvarez, MDAdult Medicine Physician1649352626
  2. Alexy Andrade, RN, MSN, FNP-CFamily Nurse Practitioner1245830223
  3. Maria AparicioClinical Social Worker1649963372
  4. Ivonne Armas De BernardoCase Manager/Care Coordinator1578493607
  5. Pilar Bernal De Pheils, NPFamily Nurse Practitioner1366501215
  6. Seleina Bravo LoeraFamily Nurse Practitioner1255028999

Verify Robert Bradley Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A92069
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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31% more Medicare Part D claims than the average internal medicine physician in 2024

4,157 Medicare Part D claims for 231 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 232 claims were for opioids.

  1. Robert Williams4,157
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium277 claims
  2. Amlodipine Besylate233 claims
  3. Metformin Hcl181 claims
  4. Lisinopril150 claims
  5. Losartan Potassium146 claims
  6. Pravastatin Sodium113 claims

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.

Bills Medicare through one group practice

  1. Mission Area Health AssociatesSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Robert Bradley Williams among 17,696 internal medicine physician records in California

Robert Bradley Williams, M.D is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2002 · median 2004 among the 11,065 with a school on file
  • Record last updated2007 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,318 internal medicine physician records list a practice address in San Francisco

They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Neal Benowitz, MDSan Francisco, CA 941101538103411
  2. Ann Bolger, MDSan Francisco, CA 941101457395352
  3. Howard Graves, MD PHDSan Francisco, CA 941101427090869
  4. Stephen Hoffman, MDSan Francisco, CA 941101265476147
  5. Daniel Kahler, D.O.San Francisco, CA 941101629019781
  6. Jeanette Krolikowski, D.O.San Francisco, CA 941101962471920
  7. John Metcalfe, M.D.San Francisco, CA 941101154399350
  8. Hedda Orkin, MDSan Francisco, CA 941101093753030

Common questions

What is Robert Bradley Williams, M.D's NPI number?

Robert Bradley Williams, M.D's National Provider Identifier (NPI) is 1225193667, issued on Dec 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Bradley Williams, M.D located?

The NPPES record lists a practice address at 240 Shotwell St, San Francisco, CA, 94110. Phone: (415) 552-1013. Providers update this record themselves, so call before visiting.

How can I verify Robert Bradley Williams, M.D's license?

NPPES lists California license number A92069, 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 Robert Bradley Williams, M.D prescribe under Medicare Part D?

In 2024, Robert Bradley Williams, M.D had 4,157 Medicare Part D claims for 231 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.