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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

PETER WASSERMAN M.D.
NPI 1205896966
Internal Medicine - Hematology & Oncology in Seattle, WA

Active since March 27, 2006
1145 BROADWAY, SEATTLE, WA 98122(206) 329-1760 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Peter Wasserman M.d. NPPES

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

PETER WASSERMAN M.D. (NPI 1205896966) is an individual hematology & oncology provider in Seattle, Washington, licensed in Washington (MD00012674) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1205896966
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NamePETER WASSERMANCredential: M.D.
Location Address1145 BROADWAYSeattle, WA 98122-4201
Mailing Address1145 BroadwaySeattle, WA 98122-4201 · (206) 329-1760
Phone(206) 329-1760
Sole ProprietorNo
Enumeration DateMarch 27, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1205896966 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in WA · MD00012674
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
1145 BROADWAY, Seattle, WA 98122
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Other Identifiers 1

Medicaid1916600WA

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.

HUNTER A MCKAY M.D.
Urology
1145 BROADWAY
SEATTLE, WA 98122
King County (206) 329-1760
JON ALLISON REED M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1145 BROADWAY
SEATTLE, WA 98122
King County (866) 236-8296
SEATTLE PRIMARY PHYSICIANS, PLLC
Family Medicine
1145 BROADWAY
SEATTLE, WA 98122
King County (206) 329-1760
DR. JAMES PAPATHANASIOU M.D.
Hospitalist
1145 BROADWAY
SEATTLE, WA 98122
King County (206) 329-1760
KATHERINE M. NEGRON ARNP
Nurse Practitioner
1145 BROADWAY
SEATTLE, WA 98122
King County (206) 329-1760
J FREDERICK BRODSKY MD
Internal Medicine
1145 BROADWAY
SEATTLE, WA 98122
King County (608) 556-3037
WALTER HOLDER JR. M.D.
Surgery (Surgical Oncology)
1145 BROADWAY
SEATTLE, WA 98122
King County (206) 860-5414
JUAN DE LA OSSA M.D.
Surgery
1145 BROADWAY
SEATTLE, WA 98122
King County (206) 329-1760

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 Peter Wasserman's NPI number?

The NPI number for Peter Wasserman is 1205896966. It was assigned to this individual provider in the NPPES registry on March 27, 2006.

Where is Peter Wasserman located?

Peter Wasserman practices at 1145 Broadway, Seattle, WA 98122. The listed phone number is (206) 329-1760.

What is Peter Wasserman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Peter Wasserman was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.