Siamak Elyasi, M.D.
NPI 1467407809 · Family Medicine Physician · Pittsburg, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siamak Elyasi, M.D. is a Family Medicine Physician provider in Pittsburg, CA (NPI 1467407809).
Provider details
- NPI number
- 1467407809
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- A50205 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2006-05-24
- Last updated
- 2019-08-26
Frequently asked questions
- What is Siamak Elyasi's NPI number?
- Siamak Elyasi's National Provider Identifier (NPI) is 1467407809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siamak Elyasi's specialty?
- Siamak Elyasi is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Siamak Elyasi located?
- Siamak Elyasi's practice location on file with NPPES is 2220 Gladstone Dr, Pittsburg, CA 94565-5123.
- What is Siamak Elyasi's phone number?
- The practice phone number listed in the NPPES registry for Siamak Elyasi is (925) 779-9601.
- Does Siamak Elyasi accept Medicare?
- Siamak Elyasi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siamak Elyasi's NPI active?
- Yes — Siamak Elyasi's NPI (1467407809) is active in the NPPES registry as of the last update on 2019-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.