Andrea Elaine Ashby, M.D.
Family Medicine Physician · Lafayette, CA
Andrea Elaine Ashby, M.D. is a family medicine physician with a practice address in Lafayette, California, and NPI 1205854593, issued on Jul 17, 2006. Check the license (California G51940, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrea Elaine Ashby
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G51940 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3182 Old Tunnel RD D, Lafayette, CA 94549
- Phone
- (925) 283-1210
- Enumerated
- Jul 17, 2006
- Record last updated
- Oct 24, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Andrea Elaine Ashby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G51940Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
157 Medicare Part D claims for 21 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Lisinopril24 claims
- Estradiol20 claims
- Progesterone12 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.
Andrea Elaine Ashby among 17,133 family medicine physician records in California
Andrea Elaine Ashby, M.D. 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 fileNo · 62% of these records are
- Record last updated2017 · 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
- 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
- Rosalia Mendoza, MDLafayette, CA 945491710904214
- Gurinder Randhawa, M.D.Lafayette, CA 945491043235195
Common questions
What is Andrea Elaine Ashby, M.D.'s NPI number?
Andrea Elaine Ashby, M.D.'s National Provider Identifier (NPI) is 1205854593, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrea Elaine Ashby, M.D. located?
The NPPES record lists a practice address at 3182 Old Tunnel RD D, Lafayette, CA, 94549. Phone: (925) 283-1210. Providers update this record themselves, so call before visiting.
How can I verify Andrea Elaine Ashby, M.D.'s license?
NPPES lists California license number G51940, 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 Andrea Elaine Ashby, M.D. prescribe under Medicare Part D?
In 2024, Andrea Elaine Ashby, M.D. had 157 Medicare Part D claims for 21 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.