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

Mrs. Teresa Frey, DO

Individual provider Hospitalist Physician · NPI 1336536291

Mrs. Teresa Frey, DO is a Hospitalist Physician in Great Falls, Montana. Works from 3 locations. Licensed in Montana and North Dakota.

Licensed in
MT, ND
In the registry since
2015
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1101 26th St S
Great Falls, MT 59405-5161
Phone: (406) 731-8888
Fax: (406) 731-8318
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 5225 23rd Ave S, Fargo, ND 58104-7927 — (701) 234-2411
  • 1400 W 22nd St, Sioux Falls, SD 57105-1554 — (605) 333-7197

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 126723 (MT)
Hospitalist Physician Taxonomy 208M00000X · Licence 15241 (ND)
Hospitalist Physician Taxonomy 208M00000X · Licence PT15241 (ND)

Record details

NPI number1336536291
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 17, 2015
Last updated in NPPESJune 1, 2023
Certification dateJune 1, 2023

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