Olatundun Oladayo Williams, M.D.
Pediatric Hematology & Oncology Physician · Seattle, WA
Olatundun Oladayo Williams, M.D. is a pediatric hematology & oncology physician with a practice address in Seattle, Washington, and NPI 1598082174, issued on Apr 22, 2010. Check the license (Washington MD61622255, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Olatundun Oladayo Williams
- Credential
- M.D.
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License numbers
- MD61622255 WA
036.133875 IL
314573 NY
Self-reported in NPPES; status is on the state search - Practice location
- 825 Eastlake Ave E, Seattle, WA 98109
- Phone
- (206) 520-5000
- Enumerated
- Apr 22, 2010
- Record last updated
- Jan 29, 2025
- Entity
- Type 1 · individual
Also registered at 825 Eastlake Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Farnoush Abar, M.D.Hematology & Oncology Physician1558560342
- Francis Achacoso, MBA, MSN, RN, NE-BCRegistered Nurse1215604061
- Bamidele Adebayo, MDNeurological Surgery Physician1255176194
- Oyebimpe Adesina, MDHematology & Oncology Physician1184934770
- Shirali AgarwalHematology & Oncology Physician1972093052
- Ali AlgiraigriSpecialist1467880260
Verify Olatundun Oladayo Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61622255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Pediatric Hematology & Oncology Physician providers in Washington
There are 103 pediatric hematology & oncology physician records in Washington.
Other pediatric hematology & oncology physician records in Washington
- Catherine Albert, MDSeattle, WA1740454362
- Tina Albertson, MDSeattle, WA1114950888
- Steven Aller, M.D., PH.D.Seattle, WA1881647055
- Robert Andrews, M.D.Seattle, WA1164504239
- Colleen Annesley, M.D.Seattle, WA1164661427
- Janiine Babcock, M.D.Seattle, WA1316001951
- Kevin Baker, M.D.Seattle, WA1710922067
- Michael Bender, M.D. , PHDSeattle, WA1366526949
- Irwin BernsteinSeattle, WA1770664039
- Neel Bhatt, MD MPHSeattle, WA1134460751
Common questions
What is Olatundun Oladayo Williams, M.D.'s NPI number?
Olatundun Oladayo Williams, M.D.'s National Provider Identifier (NPI) is 1598082174, issued on Apr 22, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Olatundun Oladayo Williams, M.D. located?
The NPPES record lists a practice address at 825 Eastlake Ave E, Seattle, WA, 98109. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.
How can I verify Olatundun Oladayo Williams, M.D.'s license?
NPPES lists Washington license number MD61622255, 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.
What is Olatundun Oladayo Williams, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.