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Gastroenterology

Arthur M. Magun, MD

Works at hospitals in New York, NY · New York

Summary

Dr. Arthur M. Magun, MD is a gastroenterologist at 161 Fort Washington Ave, New York, NY 10032. Accepts Medicare assignment. NPI 1790865012. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 161 Fort Washington Ave, New York, NY 10032 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: New York-Presbyterian Hospital
  • Medical school: Icahn School Of Medicine At Mount Sinai · graduated 1977 (49 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Arthur M. Magun, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Arthur M. Magun accept Medicare assignment?
Yes. Medicare's clinician data says Arthur M. Magun accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Arthur M. Magun's NPI number?
1790865012. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Arthur M. Magun works

Medicare's Facility Affiliation Data lists Arthur M. Magun at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Arthur M. Magun is enrolled with Medicare (CMS data updated October 2, 2026).

  • 161 Fort Washington AveNew York, NY 10032

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 schoolIcahn School Of Medicine At Mount Sinai
Graduation year1977 (49 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790865012
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians