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Gastroenterology

Herbert I. Pasternak, MD

Sees patients in Massapequa, NY · New York

Summary

Herbert I. Pasternak, MD (Gastroenterology) is enrolled with Medicare at 1 practice location in Massapequa, NY. NPI 1184610370. 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 Herbert I. Pasternak, 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
45Years since medical school (graduated 1981)
New York College Of Osteo Medicine Of New York Institute Of TechnologyMedical school
MaleGender (as listed)
Gastrointestinal Care of Long Island PLLCGroup practice

Quick answers

Where does Herbert I. Pasternak see patients?
Medicare's clinician data lists 1 practice location in Massapequa, NY. Call before your visit to confirm the address.
What is Herbert I. Pasternak's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Herbert I. Pasternak accept Medicare assignment?
Yes. Medicare's clinician data says Herbert I. Pasternak 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 Herbert I. Pasternak offer telehealth?
Medicare's clinician data says Herbert I. Pasternak offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Herbert I. Pasternak?
(516) 795-5523, as listed in official Medicare / NPI Registry data.
What is Herbert I. Pasternak's NPI number?
1184610370. 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 Herbert I. Pasternak is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Herbert I. Pasternak as a member of this group (CMS data updated 2026-10-02).

  • Gastrointestinal Care of Long Island PLLC183 clinicians in the group

Specialties

Find other Gastroenterology doctors in New York →

Other gastroenterologists in Massapequa

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

All gastroenterologists in Massapequa →

Clinician information

CredentialMD
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year1981
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1184610370
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