Michael Sthay, MD
NPI 1417943218 · Family Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Sthay, MD is a Family Medicine Physician provider in Seattle, WA (NPI 1417943218).
Provider details
- NPI number
- 1417943218
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD99923734 (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
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
- 2005-09-27
- Last updated
- 2016-02-05
Frequently asked questions
- What is Michael Sthay's NPI number?
- Michael Sthay's National Provider Identifier (NPI) is 1417943218, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Sthay's specialty?
- Michael Sthay is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Sthay located?
- Michael Sthay's practice location on file with NPPES is 4915 25th Ave. Ne, Seattle, WA 98105-5668.
- What is Michael Sthay's phone number?
- The practice phone number listed in the NPPES registry for Michael Sthay is (206) 525-7777.
- Does Michael Sthay accept Medicare?
- Michael Sthay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Sthay's NPI active?
- Yes — Michael Sthay's NPI (1417943218) is active in the NPPES registry as of the last update on 2016-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.