NPPES file of Aug 9, 2026

Richard J. Brenner, MD

Diagnostic Radiology Physician · San Francisco, CA

Richard J. Brenner, MD is a diagnostic radiology physician with a practice address in San Francisco, California, and NPI 1710942560, issued on Apr 17, 2006. Check the license (California G31972, 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
1710942560
Name
Richard J. Brenner
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
G31972 CA
Self-reported in NPPES; status is on the state search
Practice location
1600 Divisadero St, San Francisco, CA 94115
Phone
(415) 885-7898
Enumerated
Apr 17, 2006
Record last updated
Jul 21, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(415) 885-7829
Medicaid ID
0G3197200 CA
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 1600 Divisadero St

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

  1. Betsy Althaus, PHARM.D.Pharmacist1366650657
  2. Mehrdad Arjomandi, MDCritical Care Medicine (Internal Medicine) Physician1912951153
  3. Chloe Atreya, MD, PHDMedical Oncology Physician1326058777
  4. Ronald Balassanian, MDAnatomic Pathology & Clinical Pathology Physician1043282379
  5. Christopher Benz, M.D.Medical Oncology Physician1457381014
  6. Emily Bergsland, MDMedical Oncology Physician1295792729

Verify Richard J. Brenner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G31972
    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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20% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024

41 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.

  1. Richard Brenner41
  2. Specialty average51

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.

Richard J. Brenner among 4,500 diagnostic radiology physician records in California

Richard J. Brenner, MD is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2008 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in California

There are 4,500 diagnostic radiology physician records in California.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. George Bailey, MDSan Francisco, CA 941151801974415
  2. John Bokelman, M.D.San Francisco, CA 941151689655730
  3. Philip Brodey, M.D.San Francisco, CA 941151710929393
  4. Howard Carpenter, MDSan Francisco, CA 941151134187644
  5. Myrtha Cesar, MDSan Francisco, CA 941151205914827
  6. Allan Fisch, MDSan Francisco, CA 941151891873493
  7. Donald Fong, MDSan Francisco, CA 941151003994690
  8. Michael Fry, M.D.San Francisco, CA 941151972545184

Common questions

What is Richard J. Brenner, MD's NPI number?

Richard J. Brenner, MD's National Provider Identifier (NPI) is 1710942560, issued on Apr 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Richard J. Brenner, MD located?

The NPPES record lists a practice address at 1600 Divisadero St, San Francisco, CA, 94115. Phone: (415) 885-7898. Providers update this record themselves, so call before visiting.

How can I verify Richard J. Brenner, MD's license?

NPPES lists California license number G31972, 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 Richard J. Brenner, MD prescribe under Medicare Part D?

In 2024, Richard J. Brenner, MD had 41 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. 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.