DEREK LYNN STIREWALT MD
NPI 1093805947
Internal Medicine - Medical Oncology in Seattle, WA

Active since October 13, 2006PECOS EnrolledAccepts Medicare Assignment
93.09/100
CMS Quality Rating
825 EASTLAKE AVE E, SEATTLE, WA 98109(206) 288-1000 Get Directions Write a Review

NPPES record last updated: May 28, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Derek Lynn Stirewalt Md NPPES

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

DEREK LYNN STIREWALT MD (NPI 1093805947) is an individual medical oncology provider in Seattle, Washington, licensed in Washington (MD00033751) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (1992).

NPPES Registry Identity

NPI1093805947
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDEREK LYNN STIREWALTCredential: MD
Location Address825 EASTLAKE AVE ESeattle, WA 98109-4405
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 543-6420
Sole ProprietorNo
Medical School CMSUniversity Of North Carolina At Chapel Hill School Of MedicineGraduated 1992
Enumeration DateOctober 13, 2006
Last NPPES UpdateMay 28, 2020
NPPES CertifiedMay 28, 2020
NPI 1093805947 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in WA · MD00033751
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License MD00033751 (WA)
825 EASTLAKE AVE E, Seattle, WA 98109

Other Identifiers 1

Medicaid1093805947WA

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 and accepts Medicare assignment

Derek Lynn Stirewalt Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537285762
PECOS Enrollment IDI20100924001322
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$189.37 typical visit price
range $63.67 – $189.37
Typical copayment $47.34 (range $15.91 – $47.34)
Most-billed visit code 99205
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.09/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality73.95
Promoting Interoperability100
Improvement Activities40

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.

Internal Medicine (Hematology)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Pathology (Anatomic Pathology & Clinical Pathology)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Nurse Practitioner (Pediatrics)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Internal Medicine (Medical Oncology)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Physician Assistant
825 EASTLAKE AVE E
SEATTLE, WA 98109
Surgery
825 EASTLAKE AVE E
SEATTLE, WA 98109
Physician Assistant
825 EASTLAKE AVE E
SEATTLE, WA 98109
Nurse Practitioner (Women's Health)
825 EASTLAKE AVE E
SEATTLE, WA 98109

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 Derek Stirewalt's NPI number?

The NPI number for Derek Stirewalt is 1093805947. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is Derek Stirewalt located?

Derek Stirewalt practices at 825 Eastlake Ave E, Seattle, WA 98109. The listed phone number is (206) 288-1000.

What is Derek Stirewalt's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Derek Stirewalt enrolled in Medicare?

Yes. Derek Stirewalt is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Derek Stirewalt accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Derek Stirewalt 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 Derek Stirewalt was last updated on May 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.