James M. Olson
Pediatric Hematology & Oncology Physician · Seattle, WA
James M. Olson is a pediatric hematology & oncology physician with a practice address in Seattle, Washington, and NPI 1518048875, issued on Oct 17, 2006. Check the license (Washington MD00032251, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- James M. Olson
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- MD00032251 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4800 Sand Point Way NE, Seattle, WA 98105
- Phone
- (206) 987-2000
- Enumerated
- Oct 17, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 8246118 WA
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 103 in Washington → Look up another NPI →
Also registered at 4800 Sand Point Way NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Evan Abrass, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1598237919
- Seja AbudiabPediatrics Physician1285166173
- Michele Acker, ARNPPediatric Nurse Practitioner1720019094
Verify James M. Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00032251Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $703.71
1 payment: travel and lodging; the largest payer was Pfizer Inc. The 1,215 providers of this specialty with any payment received $7,404.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
James M. Olson among 103 pediatric hematology & oncology physician records in Washington
James M. Olson is one of 103 pediatric hematology & oncology physician records with a practice address in Washington. 36% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 67% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2007 · 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 2080P0207X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in Washington
There are 103 pediatric hematology & oncology physician records in Washington.
All 103 in Washington → Every provider in Seattle → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Tina Albertson, MDSeattle, WA 981051114950888
- Steven Aller, M.D., PH.D.Seattle, WA 981051881647055
- Janiine Babcock, M.D.Seattle, WA 981051316001951
- Irwin BernsteinSeattle, WA 981051770664039
- Kelly Faucette, M.D.Seattle, WA 981051235119587
- Amy Geddis, M.D.Seattle, WA 981051437220290
- Jeffrey GeyerSeattle, WA 981051548341803
- Douglas HawkinsSeattle, WA 981051265522155
Common questions
What is James M. Olson's NPI number?
James M. Olson's National Provider Identifier (NPI) is 1518048875, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James M. Olson located?
The NPPES record lists a practice address at 4800 Sand Point Way NE, Seattle, WA, 98105. Phone: (206) 987-2000. Providers update this record themselves, so call before visiting.
How can I verify James M. Olson's license?
NPPES lists Washington license number MD00032251, 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.