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

Dr. Tara O'Brien, MD

Individual provider Hospitalist Physician · NPI 1871727560

Dr. Tara O'Brien, MD is a Hospitalist in Missoula, Montana. Graduated from Jc Edwards School of Medicine, Marshall University in 2009, 17 years ago. Practices with Providence Health and Services Mt, a 358-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Montana and North Carolina.

Years since qualifying
17
Trained at
Jc Edwards School of Medicine, Marshall University
Licensed in
MT, NC
In the registry since
2009
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

500 W Broadway St
Missoula, MT 59802-4008
Phone: (406) 543-7271
Fax: (406) 327-1834
Show map & directions

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

Additional practice locations (2)

  • 1101 26th St S, Great Falls, MT 59405-5104 — (406) 455-5000
  • 101 Manning Dr, Chapel Hill, NC 27514-4220 — (919) 966-1072

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MED-PHYS-LIC-29502 (MT)
Hospitalist Physician Taxonomy 208M00000X · Licence 29502 (MT)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 157088 (NC)

Record details

NPI number1871727560
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 8, 2009
Last updated in NPPESJuly 27, 2026
Certification dateJuly 27, 2026

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolJC EDWARDS SCHOOL OF MEDICINE, MARSHALL UNIVERSITY
Graduated 2009 (17 years in practice)
Group practice Providence Health And Services Mt — 358 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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