Roy M. Bak, M.D.
Anesthesiology Physician · Spokane, WA
Roy M. Bak, M.D. is an anesthesiology physician with a practice address in Spokane, Washington, and NPI 1225046352, issued on Aug 4, 2006. Check the license (Washington MD61096343, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Roy M. Bak
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- MD61096343 WA
A79654 CA
100064 AK
036-167022 IL
4127-320 WI
Self-reported in NPPES; status is on the state search - Practice location
- 101 W 8TH Ave, Spokane, WA 99204
- Phone
- (509) 474-3181
- Enumerated
- Aug 4, 2006
- Record last updated
- Jan 14, 2026
- Medicaid ID
- 00A796540 CA
- Medicare enrollment
- Enrolled (PECOS I20231127001332); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,701 in Washington → Look up another NPI →
Also registered at 101 W 8TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Isaac AanensonCertified Registered Nurse Anesthetist1821535972
- Alexandra AchenbachStudent in an Organized Health Care Education/Training Program1740983451
- Roger Acuncius, RPHPharmacotherapy Pharmacist1477620763
- James Adams, NPNurse Practitioner1245828227
- Michael Adams, DOStudent in an Organized Health Care Education/Training Program1144022963
- Amanda Affleck, CRNACertified Registered Nurse Anesthetist1073773057
Verify Roy M. Bak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61096343Check 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 4 group practices
- Advocate Health And Hospitals CorporationPark Ridge, IL
- Oregon Anesthesiology Group PCPortland, OR
- Providence Health And Service- WashingtonSpokane, WA
- Vituity-Wisconsin Anesthesia SCPleasant Prairie, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roy M. Bak among 1,701 anesthesiology physician records in Washington
Roy M. Bak, M.D. 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1997 · median 2007 among the 1,103 with a school on file
- Record last updated2026 · 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).
Anesthesiology Physician providers in Washington
There are 1,701 anesthesiology physician records in Washington.
All 1,701 in Washington → Every provider in Spokane → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Jacob Arnett, MDSpokane, WA 992041689632127
- Daniel Brutocao, MDSpokane, WA 992041215987342
- Vera Cheng, M.D.Spokane, WA 992041841266962
- Neville Fernandes, M.D.Spokane, WA 992041851368567
- Michelle Hansen, MDSpokane, WA 992041235108556
- Gary Lee, MDSpokane, WA 992041568412013
- Dale Lewis, D.O.Spokane, WA 992041487623757
- James Mellema, MDSpokane, WA 992041952351082
Common questions
What is Roy M. Bak, M.D.'s NPI number?
Roy M. Bak, M.D.'s National Provider Identifier (NPI) is 1225046352, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roy M. Bak, M.D. located?
The NPPES record lists a practice address at 101 W 8TH Ave, Spokane, WA, 99204. Phone: (509) 474-3181. Providers update this record themselves, so call before visiting.
How can I verify Roy M. Bak, M.D.'s license?
NPPES lists Washington license number MD61096343, 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.