What is Sonja Singelstad's NPI number?

Sonja Singelstad's National Provider Identifier (NPI) is 1275412512, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sonja Singelstad's specialty?

Sonja Singelstad is listed in the NPPES registry with a primary specialty of Genetic Counselor (M.S.) (Other Service Providers).

Where is Sonja Singelstad located?

Sonja Singelstad's practice location on file with NPPES is 3705 Fairway Dr, Great Falls, MT 59401-2286.

What is Sonja Singelstad's phone number?

The practice phone number listed in the NPPES registry for Sonja Singelstad is (877) 688-0992.

Is Sonja Singelstad's NPI active?

Yes — Sonja Singelstad's NPI (1275412512) is active in the NPPES registry as of the last update on 2025-08-30.

IndividualActive

Sonja Singelstad, MS, CGC

NPI 1275412512 · Genetic Counselor (M.S.) · Great Falls, MT

Sonja Singelstad, MS, CGC is a Genetic Counselor (M.S.) provider in Great Falls, MT (NPI 1275412512).

Provider details

NPI number: 1275412512
Entity type: Individual
Primary specialty: Genetic Counselor (M.S.)Other Service Providers
Credential: MS, CGC
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Genetic Counselor (M.S.)Primary170300000X
Other Service Providers

Profile Score

Basic profile(47/100 index)

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

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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.

Practice location

3705 Fairway Dr

Great Falls, MT 59401-2286

Phone: (877) 688-0992

Street-level locationGet directions

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Mailing address