Andrew Ashcroft, M.D.
Family Medicine Physician · Petaluma, CA
Andrew Ashcroft, M.D. is a family medicine physician with a practice address in Petaluma, California, and NPI 1053306795, issued on Sep 19, 2005. Check the license (California A96865, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrew Ashcroft
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A96865 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1179 N Mcdowell Blvd, Petaluma, CA 94954
- Phone
- (707) 559-7500
- Enumerated
- Sep 19, 2005
- Entity
- Type 1 · individual
Also registered at 1179 N Mcdowell Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Adams, M.D.Emergency Medicine Physician1700976610
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- Andrea Akabike, DDSPediatric Dentistry1912512492
- Miriam Avena-Mascareno, FNP-CFamily Nurse Practitioner1629797246
- Yasaman AyatAcupuncturist1174239032
- Stephanie Bedolla, NP-CAdult Health Nurse Practitioner1265717565
Verify Andrew Ashcroft in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A96865Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
About as many Medicare Part D claims as the average family medicine physician in 2024
3,515 Medicare Part D claims for 245 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 336 claims were for opioids.
Most prescribed
- Atorvastatin Calcium233 claims
- Levothyroxine Sodium140 claims
- Gabapentin120 claims
- Hydrocodone-Acetaminophen84 claims
- Lisinopril83 claims
- Ozempic82 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.
One hospital or facility affiliation
- Petaluma Health Center IncPetaluma, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
42 family medicine physician records list a Petaluma practice address
They are 42 of the 1,856 NPPES records with a Petaluma practice address, and 16,272 family medicine physician records in California.
All 42 in Petaluma → All 16,272 in California → Every provider in Petaluma →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Andrew Ashcroft, M.D.'s NPI number?
Andrew Ashcroft, M.D.'s National Provider Identifier (NPI) is 1053306795, issued on Sep 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Ashcroft, M.D. located?
The NPPES record lists a practice address at 1179 N Mcdowell Blvd, Petaluma, CA, 94954. Phone: (707) 559-7500. Providers update this record themselves, so call before visiting.
How can I verify Andrew Ashcroft, M.D.'s license?
NPPES lists California license number A96865, 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 Andrew Ashcroft, M.D. prescribe under Medicare Part D?
In 2024, Andrew Ashcroft, M.D. had 3,515 Medicare Part D claims for 245 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.