Doctor profile · Federal record
Dr. Nathan O'Brien, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Ocoee, FL
- NPI 1558628578
- Accepts Medicare
- MIPS 80.9 / 100 · 2023
- 14 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
10000 W Colonial Dr, Department of Emergency Medicine
Ocoee, FL 347613400
(407) 296-1000
Credentials & registration
- NPI registered
- April 2012 — 14 yrs on file
- Profile last updated
- June 30, 2016
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Florida #ME 127854
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558628578. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
362
Distinct HCPCS
4
Medicare allowed
$39,620
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 177 | 168 | $180 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 149 | 138 | $8 | |
99291 |
Critical care, first 30-74 minutes | 23 | 23 | $216 | |
99284 |
Emergency department visit with moderate level of medical decision making | 13 | 13 | $124 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 116. This provider delivers 3.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
23
Patients
23
Total drug cost
$192
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 12 | 12 | $148 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 11 | 11 | $44 |
Hospital affiliations
Frequently asked questions
What is Dr. Nathan O'Brien's medical specialty?
Dr. Nathan O'Brien practices Emergency Medicine Physician in Ocoee, FL.
Where does Dr. Nathan O'Brien practice?
Dr. Nathan O'Brien practices at 10000 W Colonial Dr, Ocoee, FL 347613400. Office phone: 4072961000.
What is Dr. Nathan O'Brien's NPI?
Dr. Nathan O'Brien's National Provider Identifier (NPI) is 1558628578, issued by NPPES.
Does Dr. Nathan O'Brien accept Medicare assignment?
Yes. Dr. Nathan O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.