Doctor profile · Federal record
Dr. Marissa Nadeau, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · New York, NY
- NPI 1144647447
- Accepts Medicare
- MIPS 93.4 / 100 · 2023
- 12 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
622 West 168Th St, Vc2-Suite 260
New York, NY 100323851
(212) 305-2995
fax (212) 305-6792 - Mailing address
-
622 W 168Th St, Vc2 - Suite 260
New York, NY 10031
Credentials & registration
- NPI registered
- March 2014 — 12 yrs on file
- Profile last updated
- March 10, 2023
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- New York #289278
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144647447. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
141
Distinct HCPCS
3
Medicare allowed
$25,453
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 68 | 68 | $202 | |
99284 |
Emergency department visit with moderate level of medical decision making | 58 | 57 | $139 | |
99291 |
Critical care, first 30-74 minutes | 15 | 15 | $244 |
In context: peer comparison
Among 345 peers in New York Emergency Medicine Physician, average services per provider: 70. This provider delivers 2.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
12
Patients
12
Total drug cost
$65
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 12 | 12 | $65 |
Hospital affiliations
Frequently asked questions
What is Dr. Marissa Nadeau's medical specialty?
Dr. Marissa Nadeau practices Emergency Medicine Physician in New York, NY.
Where does Dr. Marissa Nadeau practice?
Dr. Marissa Nadeau practices at 622 West 168Th St, New York, NY 100323851. Office phone: 2123052995.
What is Dr. Marissa Nadeau's NPI?
Dr. Marissa Nadeau's National Provider Identifier (NPI) is 1144647447, issued by NPPES.
Does Dr. Marissa Nadeau accept Medicare assignment?
Yes. Dr. Marissa Nadeau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Nadeau 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.