DR. ANN ELIZABETH WOOLFREY M.D.
NPI 1821171489
Pediatrics - Pediatric Hematology-Oncology in Seattle, WA

Active since October 24, 2006PECOS Enrolled
825 EASTLAKE AVE E, SEATTLE, WA 98109(206) 288-1000 Get Directions Write a Review

NPPES record last updated: November 9, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Ann Elizabeth Woolfrey M.d. NPPES

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

DR. ANN ELIZABETH WOOLFREY M.D. (NPI 1821171489) is an individual pediatric hematology-oncology provider in Seattle, Washington, licensed in Washington (MD00026489) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821171489
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameDR. ANN ELIZABETH WOOLFREYCredential: M.D.
Location Address825 EASTLAKE AVE ESeattle, WA 98109-4405
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 543-6420
Sole ProprietorNo
Enumeration DateOctober 24, 2006
Last NPPES UpdateNovember 9, 2012
✔ NPI 1821171489 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in WA · MD00026489
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
825 EASTLAKE AVE E, Seattle, WA 98109

Other Identifiers 4

Other0232211WA · L&i
Medicaid1821171489WA
Medicare PIN8892126WA
Medicare UPINF68683WA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ann Elizabeth Woolfrey M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Ann Woolfrey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Orthopaedic Trauma
325 9TH AVE
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: The Association Of Chrmc And University Physicians
  • 1,443 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Ann Woolfrey's NPI number?

The NPI number for Ann Woolfrey is 1821171489. It was assigned to this individual provider in the NPPES registry on October 24, 2006.

Where is Ann Woolfrey located?

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

What is Ann Woolfrey's specialty?

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

Is Ann Woolfrey enrolled in Medicare?

Yes. Ann Woolfrey is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ann Woolfrey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ann Woolfrey reassigns Medicare benefits to Association Of Chmc And University Physicians (Seattle, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ann Woolfrey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ann Woolfrey accept?

Health plans from Providence Health Plan list Ann Woolfrey 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 Ann Woolfrey was last updated on November 9, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.