William Gaskill, M.D
NPI 1851636211 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Friday Harbor, WA
William Gaskill, M.D is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Friday Harbor, WA (NPI 1851636211).
Provider details
- NPI number
- 1851636211
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD00016482 (WA)
Specialties & taxonomies
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianPrimary208G00000XLicense MD00016482 (WA)
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2012-12-11
- Last updated
- 2012-12-11
Frequently asked questions
- What is William Gaskill's NPI number?
- William Gaskill's National Provider Identifier (NPI) is 1851636211, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gaskill's specialty?
- William Gaskill is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is William Gaskill located?
- William Gaskill's practice location on file with NPPES is 17 Indian Beach Ln, Friday Harbor, WA 98250.
- What is William Gaskill's phone number?
- The practice phone number listed in the NPPES registry for William Gaskill is (360) 317-6711.
- Is William Gaskill's NPI active?
- Yes — William Gaskill's NPI (1851636211) is active in the NPPES registry as of the last update on 2012-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.