Jay F. Fairborn, MD
Family Medicine Physician · San Rafael, CA
Jay F. Fairborn, MD is a family medicine physician with a practice address in San Rafael, California, and NPI 1265582076, issued on Jan 12, 2007. Check the license (California A67589, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jay F. Fairborn
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A67589 CA
Self-reported in NPPES; status is on the state search - Practice location
- 99 Montecillo RD, San Rafael, CA 94903
- Phone
- (415) 444-2000
- Enumerated
- Jan 12, 2007
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A675890 CA
- Medicare enrollment
- Enrolled (PECOS I20070330000353); accepts Medicare assignment
- Medical or professional school
- Hahneman Medical College Of The Pacific, 1997
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 99 Montecillo RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jay F. Fairborn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A67589Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average family medicine physician in 2024
7,250 Medicare Part D claims for 1,058 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 374 claims were for opioids.
Most prescribed
- Atorvastatin Calcium511 claims
- Amlodipine Besylate364 claims
- Lisinopril262 claims
- Losartan Potassium254 claims
- Hydrocodone-Acetaminophen232 claims
- Levothyroxine Sodium224 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
- Permanente Medical Group IncVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jay F. Fairborn among 17,133 family medicine physician records in California
Jay F. Fairborn, 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. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1997 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 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).
37 family medicine physician records list a practice address in San Rafael
They are 37 of the 3,159 NPPES records with a practice address in San Rafael, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Rafael → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Charles Calza, M.D.San Rafael, CA 949031629081161
- John Clothier, M.D.San Rafael, CA 949031750431250
- Marissa Fernandez Kiemele, MDSan Rafael, CA 949031144297516
- Orna Hananel, MDSan Rafael, CA 949031497839484
- Ann Hathaway, MDSan Rafael, CA 949031093893752
- Brian Hertz, MDSan Rafael, CA 949031831273812
- Meenal Lohtia, M.D.San Rafael, CA 949031205883121
- Sarah Mansell, MDSan Rafael, CA 949031548332364
Common questions
What is Jay F. Fairborn, MD's NPI number?
Jay F. Fairborn, MD's National Provider Identifier (NPI) is 1265582076, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jay F. Fairborn, MD located?
The NPPES record lists a practice address at 99 Montecillo RD, San Rafael, CA, 94903. Phone: (415) 444-2000. Providers update this record themselves, so call before visiting.
How can I verify Jay F. Fairborn, MD's license?
NPPES lists California license number A67589, 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 Jay F. Fairborn, MD prescribe under Medicare Part D?
In 2024, Jay F. Fairborn, MD had 7,250 Medicare Part D claims for 1,058 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.