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Gastroenterology

Hans Gerdes, MD

Sees patients in New York, NY · Middletown, NJ · New York, New Jersey

Summary

Hans Gerdes, MD (Gastroenterology) is enrolled with Medicare at 3 practice locations in New York, NY and Middletown, NJ. NPI 1437121217. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Hans Gerdes, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
43Years since medical school (graduated 1983)
Js Weill Medical College, Cornell UniversityMedical school
MaleGender (as listed)

Quick answers

Where does Hans Gerdes see patients?
Medicare's clinician data lists 3 practice locations, including New York, NY and Middletown, NJ. Call before your visit to confirm the address.
What is Hans Gerdes's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Hans Gerdes accept Medicare assignment?
Yes. Medicare's clinician data says Hans Gerdes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Hans Gerdes offer telehealth?
Medicare's clinician data says Hans Gerdes offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Hans Gerdes?
(212) 639-2000, as listed in official Medicare / NPI Registry data.
What is Hans Gerdes's NPI number?
1437121217. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

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

Group practices

Medicare enrollment lists Hans Gerdes as a member of these groups (CMS data updated 2026-10-02).

  • MSK Monmouth295 clinicians in the group
  • Memorial Gastroenterology Group24 clinicians in the group

Specialties

Find other Gastroenterology doctors in New York →

Other gastroenterologists in New York

Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.

All gastroenterologists in New York →

Clinician information

CredentialMD
Medical schoolJs Weill Medical College, Cornell University
Graduation year1983
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1437121217
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians