NPPES file of Aug 9, 2026

Robert J. Harrison, M.D.

Preventive Medicine/Occupational Environmental Medicine Physician · San Francisco, CA

Robert J. Harrison, M.D. is a preventive medicine/occupational environmental medicine physician with a practice address in San Francisco, California, and NPI 1629185970, issued on Aug 24, 2006. Check the license (California G43031, 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
1629185970
Name
Robert J. Harrison
Credential
M.D.
Primary taxonomy
Preventive Medicine/Occupational Environmental Medicine Physician 2083P0500X
License number
G43031 CA
Self-reported in NPPES; status is on the state search
Practice location
2380 Sutter St, San Francisco, CA 94115
Phone
(415) 885-7580
Enumerated
Aug 24, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(415) 771-4472
Medicare enrollment
Enrolled (PECOS I20080226000491); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 1979
Telehealth
Offers telehealth (CMS)
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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8 nearest preventive medicine/occupational environmental medicine physician records → All 129 in California → Look up another NPI →

Also registered at 2380 Sutter St

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

  1. Nikhil Arora, MDStudent in an Organized Health Care Education/Training Program1396494696
  2. Patrick Barba, MDStudent in an Organized Health Care Education/Training Program1790487783
  3. Kara BrodieOtolaryngology Physician1245773456
  4. Anna ButrymowiczOtolaryngology Physician1740570944
  5. Margaret Coffey, MSCSpeech-Language Pathologist1538104930
  6. Arleen Ervin-King, N.P.Adult Health Nurse Practitioner1538346937

Verify Robert J. Harrison in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G43031    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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91% fewer Medicare Part D claims than the average preventive medicine/occupational environmental medicine physician in 2024

56 Medicare Part D claims, against an average of 626 among the 189 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Robert Harrison56
  2. Specialty average626

Most prescribed

  1. Gabapentin12 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. 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).

Robert J. Harrison among 129 preventive medicine/occupational environmental medicine physician records in California

Robert J. Harrison, M.D. is one of 129 preventive medicine/occupational environmental medicine physician records with a practice address in California. 32% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 67% newer
  • In a Medicare fileYes · 32% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated1979 · median 1991 among the 14 with a school on file
  • Record last updated2007 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Preventive Medicine/Occupational Environmental Medicine Physician providers in California

There are 129 preventive medicine/occupational environmental medicine physician records in California.

All 129 in California → Every provider in San Francisco → Preventive Medicine/Occupational Environmental Medicine Physician nationwide →

The 8 preventive medicine/occupational environmental medicine physician records with the nearest ZIP codes

  1. Max Blumberg, MDSan Francisco, CA 941151326507385
  2. Rupali Das, MD, MPHSan Francisco, CA 941151194800755
  3. Robert Goldberg, M.D.San Francisco, CA 941151235165176
  4. Rupesh Patel, MD, PHD, MPHSan Francisco, CA 941151881235695
  5. Karron Power, M.D., M.P.HSan Francisco, CA 941151629298690
  6. Gina Solomon, M.D., M.P.H.San Francisco, CA 941151174536734
  7. Robert Blink, M.D.San Francisco, CA 941141346363793
  8. Sheiphali Gandhi, M.D.San Francisco, CA 941101255692752

Common questions

What is Robert J. Harrison, M.D.'s NPI number?

Robert J. Harrison, M.D.'s National Provider Identifier (NPI) is 1629185970, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert J. Harrison, M.D. located?

The NPPES record lists a practice address at 2380 Sutter St, San Francisco, CA, 94115. Phone: (415) 885-7580. Providers update this record themselves, so call before visiting.

How can I verify Robert J. Harrison, M.D.'s license?

NPPES lists California license number G43031, 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 J. Harrison, M.D. prescribe under Medicare Part D?

In 2024, Robert J. Harrison, M.D. had 56 Medicare Part D claims; the average among preventive medicine/occupational environmental medicine physician prescribers was 626. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.