Timothy James Daeeun Ohlsen, MD
Pediatric Hematology & Oncology Physician · Seattle, WA
Timothy James Daeeun Ohlsen, MD is a pediatric hematology & oncology physician with a practice address in Seattle, Washington, and NPI 1578094868, issued on Mar 27, 2017. Check the license (Washington MD61050756, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Timothy James Daeeun Ohlsen
- Credential
- MD
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License numbers
- MD61050756 WA
10970494-1205 UT
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
- Mar 27, 2017
- Record last updated
- May 24, 2023
- 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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- Ilyse Abrams, NPPediatric Nurse Practitioner1730108333
- Evan Abrass, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1598237919
- Seja AbudiabPediatrics Physician1285166173
- Michele Acker, ARNPPediatric Nurse Practitioner1720019094
Verify Timothy James Daeeun Ohlsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61050756Check 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: $41.06
1 payment: food and beverage; the largest payer was Servier Pharmaceuticals LLC. 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.
Timothy James Daeeun Ohlsen among 103 pediatric hematology & oncology physician records in Washington
Timothy James Daeeun Ohlsen, MD 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 2017, is newer than 86% of them.
- NPI issued2017 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2023 · 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 Timothy James Daeeun Ohlsen, MD's NPI number?
Timothy James Daeeun Ohlsen, MD's National Provider Identifier (NPI) is 1578094868, issued on Mar 27, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Timothy James Daeeun Ohlsen, MD 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 Timothy James Daeeun Ohlsen, MD's license?
NPPES lists Washington license number MD61050756, 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.