IndividualActive
Mark Siri, PHARM.D.
NPI 1538584164 · Pharmacist · Antioch, CA
Mark Siri, PHARM.D. is a Pharmacist provider in Antioch, CA (NPI 1538584164).
Provider details
- NPI number
- 1538584164
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 69750 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
3416 Deer Valley Rd
Antioch, CA 94531-6650
Phone: (925) 978-8000
Street-level locationGet directions
Mailing address
2601 Hilltop Dr
Richmond, CA 94806-5783
Registry dates
- Enumerated
- 2014-02-18
- Last updated
- 2014-02-18
Frequently asked questions
- What is Mark Siri's NPI number?
- Mark Siri's National Provider Identifier (NPI) is 1538584164, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Siri's specialty?
- Mark Siri is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Mark Siri located?
- Mark Siri's practice location on file with NPPES is 3416 Deer Valley Rd, Antioch, CA 94531-6650.
- What is Mark Siri's phone number?
- The practice phone number listed in the NPPES registry for Mark Siri is (925) 978-8000.
- Is Mark Siri's NPI active?
- Yes — Mark Siri's NPI (1538584164) is active in the NPPES registry as of the last update on 2014-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.