Doctor profile · Federal record
Dr. Gary Marshall, MD
Trauma Surgery Physician (CMS: General Surgery) · New York, NY
- NPI 1023047487
- Accepts Medicare
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
550 1St Ave, Nbv 15 S 14
New York, NY 100166402
(212) 263-6509
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- March 27, 2015
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 2086S0127X — NUCC code
- State license (1)
- New York #267752
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023047487. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
111
Distinct HCPCS
4
Medicare allowed
$13,710
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 49 | 33 | $76 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 22 | 13 | $114 | |
99291 |
Critical care, first 30-74 minutes | 21 | 15 | $205 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 19 | 19 | $167 |
In context: peer comparison
Among 4 peers in New York Trauma Surgery Physician, average services per provider: 48. This provider delivers 2.3× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Gary Marshall's medical specialty?
Dr. Gary Marshall practices Trauma Surgery Physician in New York, NY.
Where does Dr. Gary Marshall practice?
Dr. Gary Marshall practices at 550 1St Ave, New York, NY 100166402. Office phone: 2122636509.
What is Dr. Gary Marshall's NPI?
Dr. Gary Marshall's National Provider Identifier (NPI) is 1023047487, issued by NPPES.
Does Dr. Gary Marshall accept Medicare assignment?
Yes. Dr. Gary Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Marshall 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.