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Gastroenterology

Ali Marhaba, MD

Works at hospitals in Norwich, NY · Binghamton, NY · New York

Summary

Ali Marhaba, MD (Gastroenterology) is listed by Medicare at 3 hospitals in Norwich, NY and Binghamton, NY. NPI 1104827138. 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 Ali Marhaba, 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
35Years since medical school (graduated 1991)
MaleGender (as listed)
United Health Services Hospitals, Inc.Group practice (+2 more)

Quick answers

Which hospitals does Ali Marhaba work at?
Medicare's official clinician data lists Ali Marhaba at 3 hospitals: Chenango Memorial Hospital, Our Lady of Lourdes Memorial Hospital, Inc and United Health Services Hospitals, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ali Marhaba see patients?
Medicare's clinician data lists 3 practice locations, including Norwich, NY, Johnson City, NY and Binghamton, NY. Call before your visit to confirm the address.
What is Ali Marhaba's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Ali Marhaba accept Medicare assignment?
Yes. Medicare's clinician data says Ali Marhaba 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 Ali Marhaba offer telehealth?
Medicare's clinician data says Ali Marhaba offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Ali Marhaba?
(607) 337-4111, as listed in official Medicare / NPI Registry data.
What is Ali Marhaba's NPI number?
1104827138. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ali Marhaba works

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

Group practices

Medicare enrollment lists Ali Marhaba as a member of these groups (CMS data updated 2026-10-02).

  • United Health Services Hospitals, Inc.477 clinicians in the group
  • United Medical Associates PC229 clinicians in the group
  • Chenango Memorial Hospital Inc111 clinicians in the group

Specialties

Find other Gastroenterology doctors in New York →

Other gastroenterologists in New York

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

All gastroenterologists in New York →

Clinician information

CredentialMD
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1104827138
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