Rosalia Allan Mendoza, MD
Family Medicine Physician · Lafayette, CA
Rosalia Allan Mendoza, MD is a family medicine physician with a practice address in Lafayette, California, and NPI 1710904214, issued on Jul 17, 2006. Check the license (California A87521, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rosalia Allan Mendoza
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A87521 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3687 Mt Diablo Blvd Ste 200, Lafayette, CA 94549
- Phone
- (925) 756-3499
- Enumerated
- Jul 17, 2006
- Record last updated
- Nov 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060403000825); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3687 Mt Diablo Blvd Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rosalia Allan Mendoza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A87521Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
51 Medicare Part D claims for 44 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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
- Sutter Bay Medical FoundationSan Mateo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rosalia Allan Mendoza among 17,133 family medicine physician records in California
Rosalia Allan Mendoza, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2002 · 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).
10 family medicine physician records list a practice address in Lafayette
They are 10 of the 736 NPPES records with a practice address in Lafayette, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Lafayette → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Andrea Ashby, M.D.Lafayette, CA 945491205854593
- Marc Berzansky, D.O.Lafayette, CA 945491013020833
- Naomi Breckon, MDLafayette, CA 945491407475395
- Neil Fruman, M.D.Lafayette, CA 945491982642047
- James Hood, MDLafayette, CA 945491316011638
- Tracy Hu, MDLafayette, CA 945491114546959
- Elizabeth Maier, M.D.Lafayette, CA 945491851402804
- Gurinder Randhawa, M.D.Lafayette, CA 945491043235195
Common questions
What is Rosalia Allan Mendoza, MD's NPI number?
Rosalia Allan Mendoza, MD's National Provider Identifier (NPI) is 1710904214, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rosalia Allan Mendoza, MD located?
The NPPES record lists a practice address at 3687 Mt Diablo Blvd Ste 200, Lafayette, CA, 94549. Phone: (925) 756-3499. Providers update this record themselves, so call before visiting.
How can I verify Rosalia Allan Mendoza, MD's license?
NPPES lists California license number A87521, 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 Rosalia Allan Mendoza, MD prescribe under Medicare Part D?
In 2024, Rosalia Allan Mendoza, MD had 51 Medicare Part D claims for 44 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.