Catherine S. Fehrmann, MD
General Practice Physician · San Rafael, CA
Catherine S. Fehrmann, MD is a general practice physician with a practice address in San Rafael, California, and NPI 1629169776, issued on Sep 27, 2006. Check the license (California A052096, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Catherine S. Fehrmann
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- A052096 CA
Self-reported in NPPES; status is on the state search - Practice location
- 503 D St, San Rafael, CA 94901
- Phone
- (415) 459-9200
- Enumerated
- Sep 27, 2006
- Record last updated
- May 1, 2025
- Fax
- (415) 459-9201
- Medicare enrollment
- Enrolled (PECOS I20230718003369); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 503 D St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donna Deufemia, CACMTMassage Therapist1427766583
Verify Catherine S. Fehrmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A052096Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Catherine S. Fehrmann among 1,956 general practice physician records in California
Catherine S. Fehrmann, MD is one of 1,956 general practice physician records with a practice address in California. 48% 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileNo · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1991 · median 1994 among the 520 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,956 in California → Every provider in San Rafael → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Prasad Acharya, MD, MBASan Rafael, CA 949011699919878
- Stephanie Daniel, D.O.San Rafael, CA 949011336491984
- Miriam Jang, MDSan Rafael, CA 949011962693507
- Bertram KatzungSan Rafael, CA 949011558516559
- Fred Schwartz, M.D.San Rafael, CA 949011437230752
- James Taylor, M.D.San Rafael, CA 949011801825328
- Alan Jarach, MDSan Rafael, CA 949031780940536
- William Meecham, MDSan Rafael, CA 949031851697809
Common questions
What is Catherine S. Fehrmann, MD's NPI number?
Catherine S. Fehrmann, MD's National Provider Identifier (NPI) is 1629169776, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine S. Fehrmann, MD located?
The NPPES record lists a practice address at 503 D St, San Rafael, CA, 94901. Phone: (415) 459-9200. Providers update this record themselves, so call before visiting.
How can I verify Catherine S. Fehrmann, MD's license?
NPPES lists California license number A052096, 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.
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.