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Gastroenterology

Michael C. Barth, MD

Sees patients in Wantagh, NY · New York

Summary

Michael C. Barth, MD (Gastroenterology) is enrolled with Medicare at 2 practice locations in Wantagh, NY. NPI 1104807130. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(516) 785‑6800 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Michael C. Barth, 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

2Practice locations
GastroenterologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
40Years since medical school (graduated 1986)
MaleGender (as listed)
Gastrointestinal Care of Long Island PLLCGroup practice

Quick answers

Where does Michael C. Barth see patients?
Medicare's clinician data lists 2 practice locations, including Wantagh, NY. Call before your visit to confirm the address.
What is Michael C. Barth's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Michael C. Barth accept Medicare assignment?
Yes. Medicare's clinician data says Michael C. Barth 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 Michael C. Barth offer telehealth?
Medicare's clinician data says Michael C. Barth offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Michael C. Barth?
(516) 785-6800, as listed in official Medicare / NPI Registry data.
What is Michael C. Barth's NPI number?
1104807130. 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 Michael C. Barth is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael C. Barth 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 Wantagh

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

All gastroenterologists in Wantagh →

Clinician information

CredentialMD
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1104807130
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