Mark Siri, PHARM.D.
Pharmacist · Antioch, CA
Mark Siri, PHARM.D. is a pharmacist with a practice address in Antioch, California, and NPI 1538584164, issued on Feb 18, 2014. Check the license (California 69750, 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
- Mark Siri
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 69750 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3416 Deer Valley RD, Antioch, CA 94531
- Phone
- (925) 978-8000
- Enumerated
- Feb 18, 2014
- Record last updated
- Feb 18, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 3416 Deer Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wagih Elgendy, PHARM. D.Pharmacist1336424647
- French Mari Gomez, RPHPharmacist1285489369
- Ryan Manalo, PHARMDPharmacist1598032005
- Mariam MattaPharmacist1194209114
- Tarek YoussefPharmacist1265928246
Verify Mark Siri in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 69750Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark Siri among 32,533 pharmacist records in California
Mark Siri, PHARM.D. is one of 32,533 pharmacist records with a practice address in California. 15% 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 2014, is newer than 35% of them.
- NPI issued2014 · 35% of these records are older, 59% newer
- In a Medicare fileNo · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2014 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
108 pharmacist records list a practice address in Antioch
They are 108 of the 2,184 NPPES records with a practice address in Antioch, and 32,533 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 32,533 in California → Every provider in Antioch → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Jodi Bryner, PHARM.D.Antioch, CA 945311205035441
- Ellen ChongAntioch, CA 945311841522539
- Joshua Cox, PHARM.D.Antioch, CA 945311710101480
- Caroline EvardoAntioch, CA 945311902127665
- Rohini Franco, RPHAntioch, CA 945311124348677
- Eunice Lee, PHARM.D.Antioch, CA 945311922285949
- Jatin Mehta, RPHAntioch, CA 945311649582305
- Welly Mente, PHARM.D.Antioch, CA 945311538221437
Common questions
What is Mark Siri, PHARM.D.'s NPI number?
Mark Siri, PHARM.D.'s National Provider Identifier (NPI) is 1538584164, issued on Feb 18, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mark Siri, PHARM.D. located?
The NPPES record lists a practice address at 3416 Deer Valley RD, Antioch, CA, 94531. Phone: (925) 978-8000. Providers update this record themselves, so call before visiting.
How can I verify Mark Siri, PHARM.D.'s license?
NPPES lists California license number 69750, 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.