Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HEIDI ANN THIESE MS, CGC
NPI 1215900535
Genetic Counselor, MS in Seattle, WA

Active since February 08, 2006
201 15TH AVE, CMB-5, SEATTLE, WA 98122(206) 326-2135(206) 326-2010 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Heidi Ann Thiese Ms, Cgc NPPES

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

HEIDI ANN THIESE MS, CGC (NPI 1215900535) is an individual genetic counselor, ms provider in Seattle, Washington and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1215900535
Entity TypeIndividualFemale
Primary Taxonomy170300000X
Provider Legal NameHEIDI ANN THIESECredential: MS, CGC
Location Address201 15TH AVE, CMB-5Seattle, WA 98122-5603
Mailing Address8409 40th Ave SwSeattle, WA 98136-2349 · (206) 326-2135 · Fax (206) 326-2010
Fax(206) 326-2010
Sole ProprietorNo
Enumeration DateFebruary 8, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1215900535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyGenetic Counselor, MSOther Service Providers
Taxonomy Code170300000X
Definition
A masters trained health care provider who collects and interprets genetic family histories; assesses the risk of disease occurrence or recurrence; identifies interventions to manage or ameliorate disease risk; educates about inheritance, testing, management, prevention, ethical issues, resources, and research; and counsels to promote informed choices and adaptation. Certification was established in 1993 by the American Board of Genetic Counseling and prior to that by the American Board of Medical Genetics. Requirements for experience, licensure, and job responsibilities vary among the states.
201 15TH AVE, Seattle, WA 98122

Other Providers at the Same Location NPPES

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

Radiology (Radiation Oncology)
201 15TH AVE
SEATTLE, WA 98122

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 Heidi Thiese's NPI number?

The NPI number for Heidi Thiese is 1215900535. It was assigned to this individual provider in the NPPES registry on February 8, 2006.

Where is Heidi Thiese located?

Heidi Thiese practices at 201 15th Ave Cmb-5, Seattle, WA 98122. The listed phone number is (206) 326-2135.

What is Heidi Thiese's specialty?

The primary specialty registered for this NPI is Genetic Counselor, MS with taxonomy code 170300000X.

When was this NPI record last updated?

The NPPES record for Heidi Thiese 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 47 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.