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Internal Medicine

Alan D. Fetterman, MD

Works at hospitals in Patchogue, NY · New York

Summary

Alan D. Fetterman, MD (Internal Medicine) is listed by Medicare at 1 hospital in Patchogue, NY. NPI 1891705208. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Alan D. Fetterman, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
44Years since medical school (graduated 1982)
State University Of New York Downstate Medical CenterMedical school
MaleGender (as listed)
New York UniversityGroup practice

Quick answers

Which hospitals does Alan D. Fetterman work at?
Medicare's official clinician data lists Alan D. Fetterman at 1 hospital: Long Island Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alan D. Fetterman see patients?
Medicare's clinician data lists 2 practice locations, including New York, NY and East Patchogue, NY. Call before your visit to confirm the address.
What is Alan D. Fetterman's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Geriatric Medicine.
Does Alan D. Fetterman accept Medicare assignment?
Yes. Medicare's clinician data says Alan D. Fetterman 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 Alan D. Fetterman offer telehealth?
Medicare's clinician data says Alan D. Fetterman offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Alan D. Fetterman?
(212) 263-9700, as listed in official Medicare / NPI Registry data.
What is Alan D. Fetterman's NPI number?
1891705208. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alan D. Fetterman works

Medicare's Facility Affiliation Data lists Alan D. Fetterman 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 Alan D. Fetterman is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Alan D. Fetterman as a member of this group (CMS data updated 2026-10-02).

  • New York University6,134 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in New York

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

All internal medicine doctors in New York →

Clinician information

CredentialMD
Medical schoolState University Of New York Downstate Medical Center
Graduation year1982
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1891705208
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