Sayedhedayatollah Tadayon, MD
NPI 1255957874 · Epilepsy Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Epileptologists · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sayedhedayatollah Tadayon, MD is a Epilepsy Physician provider in San Francisco, CA (NPI 1255957874).
Provider details
- NPI number
- 1255957874
- Entity type
- Individual
- Primary specialty
- Epilepsy PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 41 Mall RdBurlington, MA 01805-0001Phone: (781) 744-5700Fax: (781) 744-5358
Registry dates
- Enumerated
- 2020-06-19
- Last updated
- 2025-06-20
- Certified
- 2025-06-20
Frequently asked questions
- What is Sayedhedayatollah Tadayon's NPI number?
- Sayedhedayatollah Tadayon's National Provider Identifier (NPI) is 1255957874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sayedhedayatollah Tadayon's specialty?
- Sayedhedayatollah Tadayon is listed in the NPPES registry with a primary specialty of Epilepsy Physician (Allopathic & Osteopathic Physicians).
- Where is Sayedhedayatollah Tadayon located?
- Sayedhedayatollah Tadayon's practice location on file with NPPES is 513 Parnassus Ave Ste 672, San Francisco, CA 94143-2205.
- What is Sayedhedayatollah Tadayon's phone number?
- The practice phone number listed in the NPPES registry for Sayedhedayatollah Tadayon is (415) 353-2437.
- Does Sayedhedayatollah Tadayon accept Medicare?
- Sayedhedayatollah Tadayon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sayedhedayatollah Tadayon's NPI active?
- Yes — Sayedhedayatollah Tadayon's NPI (1255957874) is active in the NPPES registry as of the last update on 2025-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.