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Edit this profileAt a glance
- 1275 York Ave, Mskcc, Colorectal Surgery Service, New York, NY 10065
About Dr. Nash
Garrett M. Nash, M.D. practices colon & rectal surgery in New York, NY. Garrett is a 1998 graduate of Columbia University College of Physicians and Surgeons. Medicare claims data shows Garrett provided 134 services to 113 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1154581213.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (212) 639-2000
- Email not available
Practice Locations
1275 YORK AVE MSKCC, COLORECTAL SURGERY SERVICE
New York, NY 10065
Procedures Most Often Billed to Medicare
134 services · 113 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
43 | More often than most peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
37 | As often as other peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
27 | Less often than most peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
16 | As often as other peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
11 | Less often than most peers in Colon & Rectal Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other colorectal surgeons in New York 8
Same specialty, same city.
More connections — 15 related providers in 2 groups
Trained at Columbia University College of Physicians and Surgeons 7
Other providers in the same specialty who trained at the same institution.
Class of 1998 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Garrett M. Nash specialize in?
Garrett M. Nash is a colorectal surgeon in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
Where is Garrett M. Nash located?
Garrett M. Nash is listed at 1275 York Ave Mskcc, Colorectal Surgery Service, New York, NY 10065. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Garrett M. Nash's phone number?
The number on file is (212) 639-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Garrett M. Nash?
Garrett M. Nash's National Provider Identifier is 1154581213. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Garrett M. Nash train?
Garrett M. Nash attended Columbia University College of Physicians and Surgeons, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Garrett M. Nash have?
Garrett M. Nash has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Garrett M. Nash do most often?
According to Medicare billing data, Garrett M. Nash the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Garrett M. Nash's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Garrett M. Nash. If this is you, claiming it is free.
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