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Internal Medicine

Igor Gutnik, MD

Works at hospitals in Stony Brook, NY · New York

Summary

Igor Gutnik, MD (Internal Medicine) is listed by Medicare at 1 hospital in Stony Brook, NY. NPI 1073684726. 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 Igor Gutnik, 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
38Years since medical school (graduated 1988)
MaleGender (as listed)

Quick answers

Which hospitals does Igor Gutnik work at?
Medicare's official clinician data lists Igor Gutnik at 1 hospital: Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Igor Gutnik see patients?
Medicare's clinician data lists 2 practice locations, including Merrick, NY and Middle Island, NY. Call before your visit to confirm the address.
What is Igor Gutnik's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Igor Gutnik accept Medicare assignment?
Yes. Medicare's clinician data says Igor Gutnik 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.
What is the phone number for Igor Gutnik?
(631) 924-8820, as listed in official Medicare / NPI Registry data.
What is Igor Gutnik's NPI number?
1073684726. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Igor Gutnik works

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

  • 2873 Valerie CtMerrick, NY 11566
  • 49 Oakcrest AveMiddle Island, NY 11953 (631) 924‑8820

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Merrick

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

All internal medicine doctors in Merrick →

Clinician information

CredentialMD
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073684726
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