Antoni Efthemios Mavrantonis, R.PH.
Pharmacist · San Anselmo, CA
Antoni Efthemios Mavrantonis, R.PH. is a pharmacist with a practice address in San Anselmo, California, and NPI 1841492121, issued on May 31, 2007. Check the license (California RPH 25227, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Antoni Efthemios Mavrantonis
- Credential
- R.PH.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- RPH 25227 CA
Self-reported in NPPES; status is on the state search - Practice location
- 121 Tunstead Ave, San Anselmo, CA 94960
- Phone
- (415) 454-1451
- Enumerated
- May 31, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 454-2865
- Entity
- Type 1 · individual
Also registered at 121 Tunstead Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samiline Cruz, PHARMACY TECHNICIANPharmacy Technician1508068370
- Sharon Maccabe, PHARMACY TECHNICIANPharmacy Technician1831391523
- Rachel Olsen, R.PH.Pharmacist1053513309
- Barbara Wientjes, R.PH.Pharmacist1609077932
Verify Antoni Efthemios Mavrantonis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RPH 25227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17 pharmacist records list a practice address in San Anselmo
They are 17 of the 250 NPPES records with a practice address in San Anselmo, and 32,533 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17 in San Anselmo → All 32,533 in California → Every provider in San Anselmo →
Other pharmacist records in California
- Caroline A-Haja, PHARM.D.San Pedro, CA1851664361
- Gayatri AachiLivermore, CA1235660754
- Adrian Karlos Aala, PHARMD, RPHHayward, CA1023955499
- Mahshid Aalam, PHARMDLos Angeles, CA1659086155
- Jaleh AaliiveliSan Ramon, CA1336629963
- Cassi Aarvig, RPHTracy, CA1023679941
- Meara Michi AbadOrange, CA1750181178
- Nader Abadier, RPHFontana, CA1326255647
- Samia Abadier, RPHFontana, CA1548742836
- Sandy Abadir, RPHChino Hills, CA1811644412
Common questions
What is Antoni Efthemios Mavrantonis, R.PH.'s NPI number?
Antoni Efthemios Mavrantonis, R.PH.'s National Provider Identifier (NPI) is 1841492121, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Antoni Efthemios Mavrantonis, R.PH. located?
The NPPES record lists a practice address at 121 Tunstead Ave, San Anselmo, CA, 94960. Phone: (415) 454-1451. Providers update this record themselves, so call before visiting.
How can I verify Antoni Efthemios Mavrantonis, R.PH.'s license?
NPPES lists California license number RPH 25227, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.