Doctor profile · Federal record
Dr. Gary Greenwald, M.D.
Emergency Medicine Physician · New Hyde Park, NY
- NPI 1942287024
- 21 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2800 Marcus Ave
New Hyde Park, NY 110421113
(516) 622-6000 - Mailing address
-
Po Box 826223
Philadelphia, PA 191826223
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- February 19, 2015
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- New York #154918-1
- Medicaid
- NY #01008259
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942287024. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
306
Distinct HCPCS
4
Medicare allowed
$41,929
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 144 | 142 | $140 | |
99285 |
Emergency department visit with high level of medical decision making | 74 | 73 | $205 | |
99283 |
Emergency department visit with low level of medical decision making | 64 | 61 | $84 | |
99282 |
Emergency department visit with straightforward medical decision making | 24 | 24 | $49 |
In context: peer comparison
Among 40 peers in New Hyde Park Emergency Medicine Physician, average services per provider: 87. This provider delivers 3.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
27
Patients
27
Total drug cost
$116
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 16 | 16 | $40 |
| Cefadroxil | Generic | 11 | 11 | $76 |
Frequently asked questions
What is Dr. Gary Greenwald's medical specialty?
Dr. Gary Greenwald practices Emergency Medicine Physician in New Hyde Park, NY.
Where does Dr. Gary Greenwald practice?
Dr. Gary Greenwald practices at 2800 Marcus Ave, New Hyde Park, NY 110421113. Office phone: 5166226000.
What is Dr. Gary Greenwald's NPI?
Dr. Gary Greenwald's National Provider Identifier (NPI) is 1942287024, issued by NPPES.
What procedures does Dr. Gary Greenwald commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.