Mary A. Brown, MD
Family Medicine Physician · San Luis Obispo, CA
Mary A. Brown, MD is a family medicine physician with a practice address in San Luis Obispo, California, and NPI 1346280492, issued on Jun 7, 2006. Check the license (California G51256, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary A. Brown
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G51256 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Casa Street, San Luis Obispo, CA 93405
- Phone
- (805) 242-0614
- Enumerated
- Jun 7, 2006
- Record last updated
- Dec 26, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (805) 457-1550
- Medicaid ID
- 00G512560 CA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 100 Casa Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda Galanos, RN, NPNurse Practitioner1548428949
Verify Mary A. Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G51256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary A. Brown among 17,133 family medicine physician records in California
Mary A. Brown, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2015 · 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
- Andrea Angelucci, D.O.San Luis Obispo, CA 934051851616106
- Lisa Brazil, C.F.N.P.San Luis Obispo, CA 934051154419117
- Tyler Campbell, MDSan Luis Obispo, CA 934051962535385
- Eric Dunlop, DOSan Luis Obispo, CA 934051225334618
- Jonathan Hamrick, MDSan Luis Obispo, CA 934051174575567
- James Harrison, MDSan Luis Obispo, CA 934051417280082
- David Leece, M.D.San Luis Obispo, CA 934051528037561
- Frank Mazzone, MDSan Luis Obispo, CA 934051902939408
Common questions
What is Mary A. Brown, MD's NPI number?
Mary A. Brown, MD's National Provider Identifier (NPI) is 1346280492, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary A. Brown, MD located?
The NPPES record lists a practice address at 100 Casa Street, San Luis Obispo, CA, 93405. Phone: (805) 242-0614. Providers update this record themselves, so call before visiting.
How can I verify Mary A. Brown, MD's license?
NPPES lists California license number G51256, 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.