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Internal Medicine

David M. Dunaief, MD

Sees patients in East Setauket, NY · Setauket, NY · New York

Summary

David M. Dunaief, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in East Setauket, NY and Setauket, NY. NPI 1962709576. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about David M. Dunaief, 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
May acceptAccepts Medicare assignment
YesOffers telehealth
22Years since medical school (graduated 2004)
State University Of New York At Stony Brook, School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does David M. Dunaief see patients?
Medicare's clinician data lists 2 practice locations, including East Setauket, NY and Setauket, NY. Call before your visit to confirm the address.
What is David M. Dunaief's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does David M. Dunaief accept Medicare assignment?
Medicare's clinician data says David M. Dunaief may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does David M. Dunaief offer telehealth?
Medicare's clinician data says David M. Dunaief offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for David M. Dunaief?
(631) 380-2888, as listed in official Medicare / NPI Registry data.
What is David M. Dunaief's NPI number?
1962709576. 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 David M. Dunaief is enrolled with Medicare (CMS data updated 2026-10-02).

  • 47 Route 25a, Suite 1East Setauket, NY 11733
  • 47 Route 25a 1Setauket, NY 11733 (631) 380‑2888

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in East Setauket

Clinicians with the same Medicare primary specialty in East Setauket, NY — not a recommendation.

All internal medicine doctors in East Setauket →

Clinician information

CredentialMD
Medical schoolState University Of New York At Stony Brook, School Of Medicine
Graduation year2004
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1962709576
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