Godfrey Michael Harper, M.D.
Geriatric Medicine (Internal Medicine) Physician · San Francisco, CA
Godfrey Michael Harper, M.D. is a geriatric medicine (internal medicine) physician with a practice address in San Francisco, California, and NPI 1295794782, issued on Mar 22, 2006. Check the license (California G87646, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Godfrey Michael Harper
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- G87646 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4150 Clement St, San Francisco, CA 94121
- Phone
- (415) 221-4810
- Enumerated
- Mar 22, 2006
- Record last updated
- Feb 10, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (415) 750-6641
- Medicare enrollment
- Enrolled (PECOS I20060906000599); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 4150 Clement St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samantha Abram, BAPsychologist1326540436
- Gary Abrams, M.D.Physical Medicine & Rehabilitation Physician1346213246
- Anna Abramson, M.D.Internal Medicine Physician1346424785
- Alison Acerra, MS, RDRegistered Dietitian1992726848
- Sharon AdelsonCounselor1932467271
- Gary Agcaoili, C.T.R.SRecreation Therapist1649284019
Verify Godfrey Michael Harper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G87646Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
472 Medicare Part D claims for 22 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 11 claims were for opioids.
Most prescribed
- Omeprazole49 claims
- Latanoprost29 claims
- Atorvastatin Calcium27 claims
- Levothyroxine Sodium19 claims
- Amlodipine Besylate16 claims
- Tamsulosin Hcl16 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.
Industry payments in 2024: $251.79
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 1,004 providers of this specialty with any payment received $1,720.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Godfrey Michael Harper among 532 geriatric medicine (internal medicine) physician records in California
Godfrey Michael Harper, M.D. is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% 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, 46% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1991 · median 1999 among the 271 with a school on file
- Record last updated2018 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in San Francisco → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Anna Chang, M.D.San Francisco, CA 941211942313770
- Jessica Eng, MDSan Francisco, CA 941211831364603
- Frederick Fox, M.D.San Francisco, CA 941211497867469
- Mary Anne Johnson, M.D.San Francisco, CA 941211902855067
- Sandra Moody Levin, MD, BSNSan Francisco, CA 941211255319406
- John Newman, M.D.,PH.D.San Francisco, CA 941211356676803
- Michael Steinman, MDSan Francisco, CA 941211124088240
- Rebecca Sudore, M.D.San Francisco, CA 941211851371744
Common questions
What is Godfrey Michael Harper, M.D.'s NPI number?
Godfrey Michael Harper, M.D.'s National Provider Identifier (NPI) is 1295794782, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Godfrey Michael Harper, M.D. located?
The NPPES record lists a practice address at 4150 Clement St, San Francisco, CA, 94121. Phone: (415) 221-4810. Providers update this record themselves, so call before visiting.
How can I verify Godfrey Michael Harper, M.D.'s license?
NPPES lists California license number G87646, 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 Godfrey Michael Harper, M.D. prescribe under Medicare Part D?
In 2024, Godfrey Michael Harper, M.D. had 472 Medicare Part D claims for 22 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.