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

Dr. Mary Therese Barrett, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1902983976

Dr. Mary Therese Barrett, MD is an Obstetrics/Gynecology in Longmont, Colorado. Qualified in 1985, 41 years ago. Practices with Sanford Health of Northern Minnesota, a 349-clinician group and accepts Medicare assignment. Licensed in Colorado, Indiana, Minnesota and North Dakota and 1 more.

Years since qualifying
41
Licensed in
CO, IN, MN, ND, RI
In the registry since
2006
Specialties on file
6
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

231 E 9th Ave Ste 1A
Longmont, CO 80504-4687
Phone: (303) 651-2800
Fax: (303) 774-9100
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence CDRH.0029546 (CO)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 12641 (ND)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 31245 (MN)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence MD16855 (RI)
Specialist Taxonomy 174400000X · Licence 29546 (CO)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 01074809B (IN)

Record details

NPI number1902983976
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 1, 2006
Last updated in NPPESMay 12, 2026
Certification dateMay 12, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Group practice Sanford Health Of Northern Minnesota — 349 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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