Gary I. Feldman, M.D.
Specialist · San Francisco, CA
Gary I. Feldman, M.D. is a specialist with a practice address in San Francisco, California, and NPI 1336220854, issued on Oct 18, 2006. Check the license (California G65057, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gary I. Feldman
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- G65057 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2300 California St, San Francisco, CA 94115
- Phone
- (415) 202-1550
- Enumerated
- Oct 18, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 776-8233
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 2300 California St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Cantwell, M.D.Pediatrics Physician1760500011
- Juanita De Sanz, MFTMarriage & Family Therapist1457580730
- Ymkje Dioquino, LMFTMarriage & Family Therapist1669985065
- Jeffrey Draisin, M.D.Family Medicine Physician1356362883
- Christopher Goodman-Smith, LACAcupuncturist1114525698
- Mark Illeman, FNPFamily Nurse Practitioner1548388861
Verify Gary I. Feldman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G65057Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average specialist in 2024
359 Medicare Part D claims for 98 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Albuterol Sulfate Hfa33 claims
- Atorvastatin Calcium31 claims
- Gabapentin26 claims
- Metformin Hcl21 claims
- Lisinopril16 claims
- Losartan Potassium13 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.
Gary I. Feldman among 5,749 specialist records in California
Gary I. Feldman, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
666 specialist records list a practice address in San Francisco
They are 666 of the 38,143 NPPES records with a practice address in San Francisco, and 5,749 specialist records in California.
All 5,749 in California → Every provider in San Francisco → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Barry Baron, MDSan Francisco, CA 941151467563353
- Ari Baron, M.D.San Francisco, CA 941151013086420
- Kristoffer Chang, M.D.San Francisco, CA 941151790761336
- Carolyn Cooper, M.D.San Francisco, CA 941151518010560
- Frank Farrell, M.D.San Francisco, CA 941151891770905
- Kathleen Grant, M.D.San Francisco, CA 941151538238548
- Sonya KashyapSan Francisco, CA 941151457444184
- George Kimmerling, M.D.San Francisco, CA 941151346313269
Common questions
What is Gary I. Feldman, M.D.'s NPI number?
Gary I. Feldman, M.D.'s National Provider Identifier (NPI) is 1336220854, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary I. Feldman, M.D. located?
The NPPES record lists a practice address at 2300 California St, San Francisco, CA, 94115. Phone: (415) 202-1550. Providers update this record themselves, so call before visiting.
How can I verify Gary I. Feldman, M.D.'s license?
NPPES lists California license number G65057, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gary I. Feldman, M.D. prescribe under Medicare Part D?
In 2024, Gary I. Feldman, M.D. had 359 Medicare Part D claims for 98 beneficiaries; the average among specialist prescribers was 1,380. 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.