John Gilly Graham, M.D., PH.D
Endocrinology, Diabetes & Metabolism Physician · San Francisco, CA
John Gilly Graham, M.D., PH.D is an endocrinology, diabetes & metabolism physician with a practice address in San Francisco, California, and NPI 1225440746, issued on Jun 2, 2014. Check the license (California C201229, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Gilly Graham
- Credential
- M.D., PH.D
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- C201229 CA
288970-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 400 Parnassus Ave # A550, San Francisco, CA 94143
- Phone
- (415) 353-2350
- Enumerated
- Jun 2, 2014
- Record last updated
- Apr 18, 2025
- Fax
- (415) 353-2337
- Medicare enrollment
- Enrolled (PECOS I20250502002617); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 400 Parnassus Ave # A550
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nirmita Doshi, MDEndocrinology, Diabetes & Metabolism Physician1508486903
- Aye Khine, MDEndocrinology, Diabetes & Metabolism Physician1346701570
Verify John Gilly Graham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C201229Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
4,200 Medicare Part D claims for 599 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.
Most prescribed
- Ozempic387 claims
- Metformin Hcl Er320 claims
- Levothyroxine Sodium283 claims
- Mounjaro246 claims
- Metformin Hcl174 claims
- Novolog Flexpen164 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 3 group practices
- Regents OF The University OF CaliforniaSan Francisco, CA
- Ucsf Medical Group Business ServicesBurlingame, CA
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Gilly Graham among 1,131 endocrinology, diabetes & metabolism physician records in California
John Gilly Graham, M.D., PH.D is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.
- NPI issued2014 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2014 · median 2003 among the 779 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in San Francisco → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Mark Anderson, MDSan Francisco, CA 941431013971001
- Lewis Blevins, MDSan Francisco, CA 941431295822393
- Merl Charles, MD PHDSan Francisco, CA 941431023152055
- Ira Goldfine, MDSan Francisco, CA 941431508823675
- Eric Goldman, M.D.San Francisco, CA 941431922194869
- Elizabeth Holt, MDSan Francisco, CA 941431184607392
- Victoria Hsiao, MD, PHDSan Francisco, CA 941431659418655
- Martha Kennedy, M.D.San Francisco, CA 941431982651022
Common questions
What is John Gilly Graham, M.D., PH.D's NPI number?
John Gilly Graham, M.D., PH.D's National Provider Identifier (NPI) is 1225440746, issued on Jun 2, 2014. An NPI identifies a provider in billing; it is not a license.
Where is John Gilly Graham, M.D., PH.D located?
The NPPES record lists a practice address at 400 Parnassus Ave # A550, San Francisco, CA, 94143. Phone: (415) 353-2350. Providers update this record themselves, so call before visiting.
How can I verify John Gilly Graham, M.D., PH.D's license?
NPPES lists California license number C201229, 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 John Gilly Graham, M.D., PH.D prescribe under Medicare Part D?
In 2024, John Gilly Graham, M.D., PH.D had 4,200 Medicare Part D claims for 599 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.