William Gaskill, M.D
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Friday Harbor, WA
William Gaskill, M.D is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Friday Harbor, Washington, and NPI 1851636211, issued on Dec 11, 2012. Check the license (Washington MD00016482, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- William Gaskill
- Credential
- M.D
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- MD00016482 WA
Self-reported in NPPES; status is on the state search - Practice location
- 17 Indian Beach LN, Friday Harbor, WA 98250
- Phone
- (360) 317-6711
- Enumerated
- Dec 11, 2012
- Entity
- Type 1 · individual
Verify William Gaskill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00016482Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
82% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
22 Medicare Part D claims, against an average of 119 among the 2,088 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Washington
There are 94 thoracic surgery (cardiothoracic vascular surgery) physician records in Washington.
Other thoracic surgery (cardiothoracic vascular surgery) physician records in Washington
- Alexander Abdullayev, MDOlympia, WA1538693015
- Jennifer Abelson, MDOlympia, WA1497989057
- Bassel Al-Alao, MDSeattle, WA1326471103
- Gabriel Aldea, M.D.Seattle, WA1952480758
- Charles Anderson, M.D.Bremerton, WA1669439527
- Joseph Austin, M.D.Everett, WA1134189699
- Mark Awolesi, MDBellingham, WA1871605485
- Glenn Barnhart, MDSeattle, WA1568464154
- Kathleen BerfieldSeattle, WA1902121445
- Steven Bharadwaj, MD, PHD.Seattle, WA1730466376
Common questions
What is William Gaskill, M.D's NPI number?
William Gaskill, M.D's National Provider Identifier (NPI) is 1851636211, issued on Dec 11, 2012. An NPI identifies a provider in billing; it is not a license.
Where is William Gaskill, M.D located?
The NPPES record lists a practice address at 17 Indian Beach LN, Friday Harbor, WA, 98250. Phone: (360) 317-6711. Providers update this record themselves, so call before visiting.
How can I verify William Gaskill, M.D's license?
NPPES lists Washington license number MD00016482, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Gaskill, M.D prescribe under Medicare Part D?
In 2024, William Gaskill, M.D had 22 Medicare Part D claims; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 119. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.