Seyed Ahmad Hassantash, M.D.
NPI 1174988513 · General Practice Physician · Sammamish, WA
Enrolled with Medicare as Order and Referring Only - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Seyed Ahmad Hassantash, M.D. is a General Practice Physician provider in Sammamish, WA (NPI 1174988513).
Provider details
- NPI number
- 1174988513
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 60546447 (WA)
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
10 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
- 2015-12-30
- Last updated
- 2015-12-30
Frequently asked questions
- What is Seyed Ahmad Hassantash's NPI number?
- Seyed Ahmad Hassantash's National Provider Identifier (NPI) is 1174988513, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Seyed Ahmad Hassantash's specialty?
- Seyed Ahmad Hassantash is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Seyed Ahmad Hassantash located?
- Seyed Ahmad Hassantash's practice location on file with NPPES is 227 247th Pl Ne, Sammamish, WA 98074-3484.
- What is Seyed Ahmad Hassantash's phone number?
- The practice phone number listed in the NPPES registry for Seyed Ahmad Hassantash is (512) 982-2583.
- Does Seyed Ahmad Hassantash accept Medicare?
- Seyed Ahmad Hassantash is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Seyed Ahmad Hassantash's NPI active?
- Yes — Seyed Ahmad Hassantash's NPI (1174988513) is active in the NPPES registry as of the last update on 2015-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.