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Obstetrics/Gynecology

Martin J. Caliendo, MD

Works at hospitals in Buffalo, NY · New York

Summary

Dr. Martin J. Caliendo, MD is an OB-GYN at 239 Bryant St, Buffalo, NY 14222. Phone: (716) 878-7737. Accepts Medicare assignment. NPI 1053372235. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 239 Bryant St, Buffalo, NY 14222 · Directions (2 more locations)
  • Phone: (716) 878‑7737
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaleida Health
  • Group practice: Kaleida Health (+1 more)
  • Medical school: graduated 1989 (37 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Martin J. Caliendo, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Martin J. Caliendo accept Medicare assignment?
Yes. Medicare's clinician data says Martin J. Caliendo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Martin J. Caliendo's NPI number?
1053372235. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Martin J. Caliendo works

Medicare's Facility Affiliation Data lists Martin J. Caliendo at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Kaleida HealthBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330005

Practice locations

Addresses where Martin J. Caliendo is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Martin J. Caliendo as a member of these groups (CMS data updated October 2, 2026).

  • Kaleida Health236 clinicians in the group
  • Mercy Hospital of Buffalo196 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in New York →

Other OB-GYNs in Buffalo

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

All OB-GYNs in Buffalo →

Other clinicians in Kaleida Health

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1053372235
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians