Doctor profile · Federal record
Dr. Mary O, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · New Brunswick, NJ
- NPI 1912133810
- Accepts Medicare
- MIPS 81.7 / 100 · 2023
- 17 yrs in practice
- Licensed in 3 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Robert Wood Johnson Pl, Department of Emergency Medicine
New Brunswick, NJ 089011928
(732) 937-8700 - Mailing address
-
2800 Main St
Bridgeport, CT 066064201
Credentials & registration
- NPI registered
- June 2009 — 17 yrs on file
- Profile last updated
- October 28, 2020
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (3)
- New Jersey #25MA09247300 · Connecticut #51520 · New York #267682
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912133810. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
198
Distinct HCPCS
3
Medicare allowed
$33,410
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 117 | 114 | $181 | |
99284 |
Emergency department visit with moderate level of medical decision making | 60 | 45 | $126 | |
99291 |
Critical care, first 30-74 minutes | 21 | 21 | $223 |
In context: peer comparison
Among 28 peers in New Brunswick Emergency Medicine Physician, average services per provider: 83. This provider delivers 2.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
74
Patients
74
Total drug cost
$952
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefdinir | Generic | 26 | 26 | $467 |
| Ondansetron Odt (Ondansetron) | Brand | 26 | 26 | $277 |
| Dicyclomine Hcl | Generic | 11 | 11 | $75 |
| Methylprednisolone | Generic | 11 | 11 | $134 |
Frequently asked questions
What is Dr. Mary O's medical specialty?
Dr. Mary O practices Emergency Medicine Physician in New Brunswick, NJ.
Where does Dr. Mary O practice?
Dr. Mary O practices at 1 Robert Wood Johnson Pl, New Brunswick, NJ 089011928. Office phone: 7329378700.
What is Dr. Mary O's NPI?
Dr. Mary O's National Provider Identifier (NPI) is 1912133810, issued by NPPES.
Does Dr. Mary O accept Medicare assignment?
Yes. Dr. Mary O accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary O commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.