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

MRS. TESSA R TREBESCH MS, CGC
NPI 1538504261
Genetic Counselor, MS in Whitefish, MT

Active since May 08, 2013
1 TIDEWAY DR, WHITEFISH, MT 59937(406) 422-7589 Get Directions Write a Review

NPPES record last updated: September 18, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Mrs. Tessa R Trebesch Ms, Cgc NPPES

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

MRS. TESSA R TREBESCH MS, CGC (NPI 1538504261) is an individual genetic counselor, ms provider in Whitefish, Montana and active in the NPI registry since May 2013.

NPPES Registry Identity

NPI1538504261
Entity TypeIndividualFemale
Primary Taxonomy170300000X
Provider Legal NameMRS. TESSA R TREBESCHCredential: MS, CGC
Location Address1 TIDEWAY DRWhitefish, MT 59937-3236
Mailing Address724 Edgewood PlWhitefish, MT 59937-3443 · (406) 871-3089
Sole ProprietorYes
Enumeration DateMay 8, 2013
Last NPPES UpdateSeptember 18, 2026
NPPES CertifiedSeptember 18, 2026
✔ NPI 1538504261 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.
1 TIDEWAY DR, Whitefish, MT 59937

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 Tessa Trebesch's NPI number?

The NPI number for Tessa Trebesch is 1538504261. It was assigned to this individual provider in the NPPES registry on May 8, 2013.

Where is Tessa Trebesch located?

Tessa Trebesch practices at 1 Tideway Dr, Whitefish, MT 59937. The listed phone number is (406) 422-7589.

What is Tessa Trebesch'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 Tessa Trebesch was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.