Physician Profile
Paul A. Hartendorp, M.D.
Unclaimed ProfileAbout Dr. Hartendorp
Based in Garden City, NY, Paul A. Hartendorp, M.D. is listed in the NPI registry under colon & rectal surgery. Paul graduated from College of Medicine and Surgery in 1979. Medicare claims data shows Paul provided 162 services to 127 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, new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, and diagnostic exam of rectum and lower large bowel using an endoscope.
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
- (516) 741-9562
- Email not available
Practice Locations
520 FRANKLIN AVENUE SUITE 222
Garden City, NY 11530
Procedures Most Often Billed to Medicare
162 services · 127 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of rectum and lower large bowel using an endoscope | Procedure | 45300 |
29 | As often as other peers in Colon & Rectal Surgery |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
13 | Less often than most peers in Colon & Rectal Surgery |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
11 | Less often than most peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
80 | More 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 |
29 | 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.
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 Garden City 8
Same specialty, same city.
Class of 1979 at College of Medicine and Surgery 8
Providers who graduated from the same medical school in the same year.
More connections — 6 related providers in 1 group
Also performs Diagnostic exam of rectum and lower large bowel using an endoscope 6
Providers in NY who bill this service to Medicare most often.
Common questions
What does Paul A. Hartendorp specialize in?
Paul A. Hartendorp is a colorectal surgeon in Garden City, 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 Paul A. Hartendorp located?
Paul A. Hartendorp is listed at 520 Franklin Avenue Suite 222, Garden City, NY 11530. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Paul A. Hartendorp's phone number?
The number on file is (516) 741-9562. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Paul A. Hartendorp?
Paul A. Hartendorp's National Provider Identifier is 1285734673. 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 Paul A. Hartendorp train?
Paul A. Hartendorp attended College of Medicine and Surgery, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Paul A. Hartendorp have?
Paul A. Hartendorp has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What does Paul A. Hartendorp do most often?
According to Medicare billing data, Paul A. Hartendorp performs procedures including diagnostic exam of rectum and lower large bowel using an endoscope, diagnostic exam of large bowel using a flexible endoscope and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Paul A. Hartendorp's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Paul A. Hartendorp. 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.