Robert Lucas Thomas, MD
Anesthesiology Physician · Seattle, WA
Robert Lucas Thomas, MD is an anesthesiology physician with a practice address in Seattle, Washington, and NPI 1023579406, issued on Mar 27, 2019. Check the license (Washington ML60950988, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Robert Lucas Thomas
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- ML60950988 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1959 NE Pacific St, Seattle, WA 98195
- Phone
- (206) 543-2100
- Enumerated
- Mar 27, 2019
- Record last updated
- May 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20241112001167); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,701 in Washington → Look up another NPI →
Also registered at 1959 NE Pacific St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Lucas Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license ML60950988Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Providence WA Anesthesia Services, PCAnacortes, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Lucas Thomas among 1,701 anesthesiology physician records in Washington
Robert Lucas Thomas, MD is one of 1,701 anesthesiology physician records with a practice address in Washington. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 89% of them.
- NPI issued2019 · 89% of these records are older, 7% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2019 · median 2007 among the 1,103 with a school on file
- Record last updated2020 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
694 anesthesiology physician records list a practice address in Seattle
They are 694 of the 41,956 NPPES records with a practice address in Seattle, and 1,701 anesthesiology physician records in Washington.
All 1,701 in Washington → Every provider in Seattle → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Aparna Ananth, M.D.Seattle, WA 981951477590909
- Michael Bialos, MDSeattle, WA 981951245212703
- Todd Cannon, MDSeattle, WA 981951497868749
- Charles Crowder, MD, PHDSeattle, WA 981951063430585
- Chi Dau, MDSeattle, WA 981951134234842
- Denise Joffe, M.D.Seattle, WA 981951437196052
- Raymond Kwik, MDSeattle, WA 981951285743898
- John Lang, MDSeattle, WA 981951790713840
Common questions
What is Robert Lucas Thomas, MD's NPI number?
Robert Lucas Thomas, MD's National Provider Identifier (NPI) is 1023579406, issued on Mar 27, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Robert Lucas Thomas, MD located?
The NPPES record lists a practice address at 1959 NE Pacific St, Seattle, WA, 98195. Phone: (206) 543-2100. Providers update this record themselves, so call before visiting.
How can I verify Robert Lucas Thomas, MD's license?
NPPES lists Washington license number ML60950988, 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), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.