Doctor profile · Federal record
Dr. Tara O'Brien, MD
Internal Medicine Physician (CMS: Hospitalist) · Student in an Organized Health Care Education/Training Program · Missoula, MT
- NPI 1871727560
- Accepts Medicare
- MIPS 85.4 / 100 · 2023
- 17 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
500 W Broadway St
Missoula, MT 598024008
(406) 543-7271
fax (406) 327-1834 - Additional location
-
101 Manning Dr, Dept of Medicine
Chapel Hill, NC 275144220
(919) 966-1072
fax (919) 843-2356 - Mailing address
-
Po Box 12
Liberty Lake, WA 990190012
Credentials & registration
- NPI registered
- May 2009 — 17 yrs on file
- Profile last updated
- January 19, 2021
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Montana #MED-PHYS-LIC-29502 · North Carolina #157088
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1871727560. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
412
Distinct HCPCS
7
Medicare allowed
$43,412
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 176 | 79 | $78 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 68 | 68 | $172 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 61 | 61 | $131 | |
99239 |
Hospital discharge day management, more than 30 minutes | 40 | 40 | $115 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 30 | 17 | $50 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 22 | 15 | $119 | |
99238 |
Hospital discharge day management, 30 minutes or less | 15 | 15 | $81 |
In context: peer comparison
Among 15 peers in Missoula Internal Medicine Physician, average services per provider: 104. This provider delivers 4.0× the peer median.Frequently asked questions
What is Dr. Tara O'Brien's medical specialty?
Dr. Tara O'Brien practices Internal Medicine Physician in Missoula, MT.
Where does Dr. Tara O'Brien practice?
Dr. Tara O'Brien practices at 500 W Broadway St, Missoula, MT 598024008. Office phone: 4065437271.
What is Dr. Tara O'Brien's NPI?
Dr. Tara O'Brien's National Provider Identifier (NPI) is 1871727560, issued by NPPES.
Does Dr. Tara O'Brien accept Medicare assignment?
Yes. Dr. Tara O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tara O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.