TIMOTHY JAMES DAEEUN OHLSEN MD
NPI 1578094868
Pediatrics - Pediatric Hematology-Oncology in Seattle, WA

Active since March 27, 2017PECOS Enrolled
4800 SAND POINT WAY NE, SEATTLE, WA 98105(206) 987-2000 Get Directions Write a Review

NPPES record last updated: May 24, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 24, 2023, Oct 17, 2018, Oct 5, 2018 and 1 more (4 updates tracked since 2017).

About Timothy James Daeeun Ohlsen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TIMOTHY JAMES DAEEUN OHLSEN MD (NPI 1578094868) is an individual pediatric hematology-oncology provider in Seattle, Washington, licensed in Washington (MD61050756) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1578094868
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameTIMOTHY JAMES DAEEUN OHLSENCredential: MD
Location Address4800 SAND POINT WAY NESeattle, WA 98105-3901
Mailing AddressPo Box 5371, 818 RcSeattle, WA 98145-1125 · (206) 987-2000
Sole ProprietorNo
Enumeration DateMarch 27, 2017
Last NPPES UpdateMay 24, 20234 updates tracked since enumeration
NPPES CertifiedMay 24, 2023
NPI 1578094868 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License Licensed in WA · MD61050756
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedPediatricsTaxonomy 208000000X · License 10970494-1205 (UT)
4800 SAND POINT WAY NE, Seattle, WA 98105

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Timothy James Daeeun Ohlsen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Anesthesiology
4800 SAND POINT WAY NE
SEATTLE, WA 98105
Speech-Language Pathologist
4800 SAND POINT WAY NE, MAIL STOP W-6839
SEATTLE, WA 98105
Medical Genetics (Clinical Molecular Genetics)
4800 SAND POINT WAY NE, GENETIC MEDICINE
SEATTLE, WA 98105
Pediatrics (Pediatric Critical Care Medicine)
4800 SAND POINT WAY NE, MB.10.620
SEATTLE, WA 98105
Pediatrics (Pediatric Infectious Diseases)
4800 SAND POINT WAY NE
SEATTLE, WA 98105
Nurse Practitioner (Pediatrics)
4800 SAND POINT WAY NE, MS O.7.720
SEATTLE, WA 98105
Nurse Practitioner (Family)
4800 SAND POINT WAY NE, MAILSTOP T-2108
SEATTLE, WA 98105
Otolaryngology (Pediatric Otolaryngology)
4800 SAND POINT WAY NE
SEATTLE, WA 98105

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Timothy Ohlsen's NPI number?

The NPI number for Timothy Ohlsen is 1578094868. It was assigned to this individual provider in the NPPES registry on March 27, 2017.

Where is Timothy Ohlsen located?

Timothy Ohlsen practices at 4800 Sand Point Way NE, Seattle, WA 98105. The listed phone number is (206) 987-2000.

What is Timothy Ohlsen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Timothy Ohlsen enrolled in Medicare?

Yes. Timothy Ohlsen is registered in the Medicare PECOS enrollment system.

What insurance does Timothy Ohlsen accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Timothy Ohlsen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Timothy Ohlsen was last updated on May 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.