Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Reuven Moser, MD

Works at hospitals in Buffalo, NY · New York

Summary

Reuven Moser, MD (Internal Medicine) is listed by Medicare at 1 hospital in Buffalo, NY. NPI 1053553149. 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 Reuven Moser, 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
22Years since medical school (graduated 2004)
MaleGender (as listed)
General Physician PCGroup practice

Quick answers

Which hospitals does Reuven Moser work at?
Medicare's official clinician data lists Reuven Moser at 1 hospital: Kaleida Health. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Reuven Moser see patients?
Medicare's clinician data lists 2 practice locations, including Buffalo, NY and Williamsville, NY. Call before your visit to confirm the address.
What is Reuven Moser's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Reuven Moser accept Medicare assignment?
Yes. Medicare's clinician data says Reuven Moser 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 Reuven Moser?
(716) 859-1400, as listed in official Medicare / NPI Registry data.
What is Reuven Moser's NPI number?
1053553149. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Reuven Moser works

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

Group practices

Medicare enrollment lists Reuven Moser as a member of this group (CMS data updated 2026-10-02).

  • General Physician PC501 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Buffalo

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

All internal medicine doctors in Buffalo →

Clinician information

CredentialMD
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1053553149
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