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Colorectal Surgery (Proctology)

Paul Hartendorp, MD

Works at hospitals in New York, NY · New York

Summary

Paul Hartendorp, MD (Colorectal Surgery (Proctology)) is listed by Medicare at 1 hospital in New York, NY. NPI 1285734673. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Paul Hartendorp, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Colorectal Surgery (Proctology)Primary specialty
May acceptAccepts Medicare assignment
47Years since medical school (graduated 1979)
College Of Medicine And SurgeryMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Paul Hartendorp work at?
Medicare's official clinician data lists Paul Hartendorp at 1 hospital: NYU Langone Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Paul Hartendorp see patients?
Medicare's clinician data lists 1 practice location in Garden City, NY. Call before your visit to confirm the address.
What is Paul Hartendorp's specialty?
Medicare lists Colorectal Surgery (Proctology) as the primary specialty.
Does Paul Hartendorp accept Medicare assignment?
Medicare's clinician data says Paul Hartendorp may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Paul Hartendorp?
(516) 741-9562, as listed in official Medicare / NPI Registry data.
What is Paul Hartendorp's NPI number?
1285734673. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Paul Hartendorp works

Medicare's Facility Affiliation Data lists Paul Hartendorp at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Paul Hartendorp is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Colorectal Surgery (Proctology) doctors in New York →

Other colorectal surgeons in Garden City

Clinicians with the same Medicare primary specialty in Garden City, NY — not a recommendation.

All colorectal surgeons in Garden City →

Clinician information

CredentialMD
Medical schoolCollege Of Medicine And Surgery
Graduation year1979
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1285734673
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians