What is Thalia Stamatoyannopoulos's NPI number?

Thalia Stamatoyannopoulos's National Provider Identifier (NPI) is 1821174582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Thalia Stamatoyannopoulos's specialty?

Thalia Stamatoyannopoulos is listed in the NPPES registry with a primary specialty of Hematology (Pathology) Physician (Allopathic & Osteopathic Physicians).

Where is Thalia Stamatoyannopoulos located?

Thalia Stamatoyannopoulos's practice location on file with NPPES is Seattle Cancer Care Alliance, Seattle, WA 98109.

What is Thalia Stamatoyannopoulos's phone number?

The practice phone number listed in the NPPES registry for Thalia Stamatoyannopoulos is (206) 288-1012.

Is Thalia Stamatoyannopoulos's NPI active?

Yes — Thalia Stamatoyannopoulos's NPI (1821174582) is active in the NPPES registry as of the last update on 2010-02-09.

IndividualActive

Thalia Stamatoyannopoulos, MD

NPI 1821174582 · Hematology (Pathology) Physician · Seattle, WA

Thalia Stamatoyannopoulos, MD is a Hematology (Pathology) Physician provider in Seattle, WA (NPI 1821174582).

Provider details

NPI number: 1821174582
Entity type: Individual
Primary specialty: Hematology (Pathology) PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: MD00014246 (WA)

Practice location

Seattle Cancer Care Alliance

825 Eastlake Avenue East

Seattle, WA 98109

Phone: (206) 288-1012

Approximate (ZIP-level) locationGet directions

More WA providers

Mailing address

Po Box 50095

Seattle, WA 98145-5095

Specialties & taxonomies

Hematology (Pathology) PhysicianPrimary207ZH0000XLicense MD00014246 (WA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2006-10-27
Last updated: 2010-02-09

Frequently asked questions

What is Thalia Stamatoyannopoulos's NPI number?: Thalia Stamatoyannopoulos's National Provider Identifier (NPI) is 1821174582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Thalia Stamatoyannopoulos's specialty?: Thalia Stamatoyannopoulos is listed in the NPPES registry with a primary specialty of Hematology (Pathology) Physician (Allopathic & Osteopathic Physicians).
Where is Thalia Stamatoyannopoulos located?: Thalia Stamatoyannopoulos's practice location on file with NPPES is Seattle Cancer Care Alliance, Seattle, WA 98109.
What is Thalia Stamatoyannopoulos's phone number?: The practice phone number listed in the NPPES registry for Thalia Stamatoyannopoulos is (206) 288-1012.
Is Thalia Stamatoyannopoulos's NPI active?: Yes — Thalia Stamatoyannopoulos's NPI (1821174582) is active in the NPPES registry as of the last update on 2010-02-09.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions