Physician Profile
Marsha A. Harris, M.D.
Unclaimed ProfileAbout Dr. Harris
Marsha A. Harris, M.D. is a healthcare provider in New York, NY specializing in colon & rectal surgery. Marsha trained at New York University School of Medicine, graduating in 2002. According to Medicare claims data, Marsha cared for 406 Medicare patients across 532 services. The services billed most often include diagnostic exam of anus using an endoscope, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (646) 822-0228
- Email not available
Practice Locations
36 E 36TH ST OFC 1C
New York, NY 10016
Procedures Most Often Billed to Medicare
532 services · 406 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
189 | More than most peers in Colon & Rectal Surgery |
| Diagnostic exam of rectum and lower large bowel using an endoscope | Procedure | 45300 |
24 | 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 |
180 | More than most peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
103 | More than most peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
36 | More 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 2
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 — 24 related providers in 3 groups
Trained at New York University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at New York University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of anus using an endoscope 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Marsha A. Harris's specialty?
Marsha A. Harris 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 can I find Marsha A. Harris?
Marsha A. Harris is listed at 36 E 36Th St Ofc 1C, New York, NY 10016. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Marsha A. Harris?
The number on file is (646) 822-0228. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Marsha A. Harris's NPI number?
Marsha A. Harris's National Provider Identifier is 1730347188. 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
What is Marsha A. Harris's education?
Marsha A. Harris attended New York University School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Marsha A. Harris been practicing?
Marsha A. Harris has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What is Marsha A. Harris known for?
According to Medicare billing data, Marsha A. Harris performs procedures including diagnostic exam of anus using an endoscope and diagnostic exam of rectum and lower large bowel using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Marsha A. Harris confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marsha A. Harris. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.