Doctor profile · Federal record
Dr. Jennifer O'Brien, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Greenwood Village, CO
- NPI 1235354796
- Accepts Medicare
- MIPS 74.2 / 100 · 2023
- 20 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5200 Dtc Pkwy, Suite 400
Greenwood Village, CO 801112709
(303) 745-0000
fax (303) 773-3101
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- November 18, 2016
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Colorado #47653
- Medicaid
- CO #97976849
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235354796. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
537
Distinct HCPCS
4
Medicare allowed
$58,159
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 252 | 109 | $79 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 116 | 91 | $117 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 94 | 92 | $172 | |
99239 |
Hospital discharge day management, more than 30 minutes | 75 | 74 | $114 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 97. This provider delivers 5.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
12
Patients
12
Total drug cost
$135
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefdinir | Generic | 12 | 12 | $135 |
Frequently asked questions
What is Dr. Jennifer O'Brien's medical specialty?
Dr. Jennifer O'Brien practices Internal Medicine Physician in Greenwood Village, CO.
Where does Dr. Jennifer O'Brien practice?
Dr. Jennifer O'Brien practices at 5200 Dtc Pkwy, Greenwood Village, CO 801112709. Office phone: 3037450000.
What is Dr. Jennifer O'Brien's NPI?
Dr. Jennifer O'Brien's National Provider Identifier (NPI) is 1235354796, issued by NPPES.
Does Dr. Jennifer O'Brien accept Medicare assignment?
Yes. Dr. Jennifer O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.