James O'Neil, MD
Anesthesiology Physician · Seattle, WA
James O'Neil, MD is an anesthesiology physician with a practice address in Seattle, Washington, and NPI 1902250681, issued on Apr 19, 2016. Check the license (Washington MD61566403, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- James O'Neil
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- MD61566403 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1550 N 115TH St, Seattle, WA 98133
- Phone
- (206) 520-5000
- Enumerated
- Apr 19, 2016
- Entity
- Type 1 · individual
Also registered at 1550 N 115TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maureen AcholonuAdult Psychiatric/Mental Health Registered Nurse1326727447
- Frances Adelaja, MDHospitalist Physician1083111058
- Janvi Agrawal, MDStudent in an Organized Health Care Education/Training Program1619816014
- Nehizena Aihie, MDUrology Physician1215499793
- Mariam Alam, M.D.Internal Medicine Physician1811382237
- Ellen AlbertsAdult Health Clinical Nurse Specialist1215756739
Verify James O'Neil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61566403Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
One hospital or facility affiliation
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
687 anesthesiology physician records list a Seattle practice address
They are 687 of the 41,956 NPPES records with a Seattle practice address, and 1,615 anesthesiology physician records in Washington.
All 687 in Seattle → All 1,615 in Washington → Every provider in Seattle →
Other anesthesiology physician records in Washington
- Stella Aaboe, MDOlympia, WA1306810700
- Paul Aaron, DOSpokane, WA1851652721
- Martin Abbott, MDTouchet, WA1952301665
- Mark Abellera, MDSeattle, WA1083278592
- Fauzia Abilmona, M.D.Lakewood, WA1962663773
- Kelvyn Abramowitz, MDSeattle, WA1437114576
- Ronald Abrams, MDKirkland, WA1912008426
- Peter Ackerman, MDEverett, WA1659344414
- Richard Actis, M.D.Seattle, WA1730422890
- Eli Adamian, MDPasco, WA1710930326
Common questions
What is James O'Neil, MD's NPI number?
James O'Neil, MD's National Provider Identifier (NPI) is 1902250681, issued on Apr 19, 2016. An NPI identifies a provider in billing; it is not a license.
Where is James O'Neil, MD located?
The NPPES record lists a practice address at 1550 N 115TH St, Seattle, WA, 98133. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.
How can I verify James O'Neil, MD's license?
NPPES lists Washington license number MD61566403, 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.
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.