William Coyne, M.D.
NPI 1942242508 · Internal Medicine Physician · Arlington, WA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Coyne, M.D. is a Internal Medicine Physician provider in Arlington, WA (NPI 1942242508).
Provider details
- NPI number
- 1942242508
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00028672 (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
- 2006-06-11
- Last updated
- 2010-05-17
Frequently asked questions
- What is William Coyne's NPI number?
- William Coyne's National Provider Identifier (NPI) is 1942242508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Coyne's specialty?
- William Coyne is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Coyne located?
- William Coyne's practice location on file with NPPES is 330 S Stillaguamish Ave, Arlington, WA 98223-1642.
- What is William Coyne's phone number?
- The practice phone number listed in the NPPES registry for William Coyne is (360) 435-2133.
- Does William Coyne accept Medicare?
- William Coyne is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Coyne's NPI active?
- Yes — William Coyne's NPI (1942242508) is active in the NPPES registry as of the last update on 2010-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.