Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sonja Singelstad, MS, CGC

Individual provider Genetic Counselor (M.S.) · NPI 1275412512

Sonja Singelstad, MS, CGC is a Genetic Counselor (M.S.) in Great Falls, Montana. Practices as a sole proprietor. Registered with an NPI since 2025.

In the registry since
2025
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

3705 Fairway Dr
Great Falls, MT 59401-2286
Phone: (877) 688-0992
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Genetic Counselor (M.S.) (primary) Taxonomy 170300000X

Record details

NPI number1275412512
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CGC
Sole proprietorYes
NPI enumeratedAugust 30, 2025
Last updated in NPPESAugust 30, 2025
Certification dateAugust 29, 2025
Mailing address3705 Fairway Dr, Great Falls, MT 59401-2286

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