Doctor profile · Federal record
Dr. Garrett Nash, M.D.
Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · New York, NY
- NPI 1154581213
- Accepts Medicare
- MIPS 89.7 / 100 · 2023
- 28 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1275 York Ave, MSKCC, Colorectal Surgery Service
New York, NY 100656007
(212) 639-2000
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 208C00000X — NUCC code
- State license (1)
- New York #00228738
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154581213. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
200
Distinct HCPCS
5
Medicare allowed
$25,110
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 65 | 44 | $160 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 56 | 49 | $109 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 31 | 28 | $74 | |
45330 |
Diagnostic exam of lower portion of large bowel using a flexible endoscope | 25 | 18 | $65 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 23 | 23 | $204 |
In context: peer comparison
Among 24 peers in New York Colon & Rectal Surgery Physician, average services per provider: 44. This provider delivers 4.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
18
Patients
18
Total drug cost
$20
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metronidazole | Generic | 18 | 18 | $20 |
Frequently asked questions
What is Dr. Garrett Nash's medical specialty?
Dr. Garrett Nash practices Colon & Rectal Surgery Physician in New York, NY.
Where does Dr. Garrett Nash practice?
Dr. Garrett Nash practices at 1275 York Ave, New York, NY 100656007. Office phone: 2126392000.
What is Dr. Garrett Nash's NPI?
Dr. Garrett Nash's National Provider Identifier (NPI) is 1154581213, issued by NPPES.
Does Dr. Garrett Nash accept Medicare assignment?
Yes. Dr. Garrett Nash accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Garrett Nash commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.