NPPES file of Aug 9, 2026

James Michael Harrison, MD

Family Medicine Physician · San Luis Obispo, CA

James Michael Harrison, MD is a family medicine physician with a practice address in San Luis Obispo, California, and NPI 1417280082, issued on Sep 14, 2009. Check the license (California G22973, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417280082
Name
James Michael Harrison
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G22973 CA
Self-reported in NPPES; status is on the state search
Practice location
47 Santa Rosa St, San Luis Obispo, CA 93405
Phone
(805) 542-9596
Enumerated
Sep 14, 2009
Record last updated
Mar 7, 2023
Fax
(805) 542-0845
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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8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 47 Santa Rosa St

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

  1. Tyler Campbell, MDFamily Medicine Physician1962535385
  2. Jane Connely, OTR/LNeurorehabilitation Occupational Therapist1972852770
  3. Lisa Dimodica, PAPhysician Assistant1669617015
  4. David Gingrich, PAPhysician Assistant1134252653
  5. Jonathan Hamrick, MDFamily Medicine Physician1174575567
  6. Frank Mazzone, MDFamily Medicine Physician1902939408

Verify James Michael 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 G22973    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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James Michael Harrison among 17,133 family medicine physician records in California

James Michael Harrison, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 58% of them.

  • NPI issued2009 · 58% of these records are older, 40% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2023 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

41 family medicine physician records list a practice address in San Luis Obispo

They are 41 of the 3,403 NPPES records with a practice address in San Luis Obispo, and 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 17,133 in California → Every provider in San Luis Obispo → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Andrea Angelucci, D.O.San Luis Obispo, CA 934051851616106
  2. Lisa Brazil, C.F.N.P.San Luis Obispo, CA 934051154419117
  3. Mary Brown, MDSan Luis Obispo, CA 934051346280492
  4. Tyler Campbell, MDSan Luis Obispo, CA 934051962535385
  5. Eric Dunlop, DOSan Luis Obispo, CA 934051225334618
  6. Jonathan Hamrick, MDSan Luis Obispo, CA 934051174575567
  7. David Leece, M.D.San Luis Obispo, CA 934051528037561
  8. Frank Mazzone, MDSan Luis Obispo, CA 934051902939408

Common questions

What is James Michael Harrison, MD's NPI number?

James Michael Harrison, MD's National Provider Identifier (NPI) is 1417280082, issued on Sep 14, 2009. An NPI identifies a provider in billing; it is not a license.

Where is James Michael Harrison, MD located?

The NPPES record lists a practice address at 47 Santa Rosa St, San Luis Obispo, CA, 93405. Phone: (805) 542-9596. Providers update this record themselves, so call before visiting.

How can I verify James Michael Harrison, MD's license?

NPPES lists California license number G22973, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.