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Sports Medicine

Alexandre J. Mazar, MD

Works at hospitals in Oneonta, NY · Cooperstown, NY · Margaretville, NY … · New York

Summary

Alexandre J. Mazar, MD (Sports Medicine) is listed by Medicare at 4 hospitals in Oneonta, NY, Cooperstown, NY and Margaretville, NY and other places. NPI 1245767151. 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 Alexandre J. Mazar, 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

Sports MedicinePrimary specialty
YesAccepts Medicare assignment
4Years since medical school (graduated 2022)
MaleGender (as listed)
Mary Imogene Bassett HospitalGroup practice

Quick answers

Which hospitals does Alexandre J. Mazar work at?
Medicare's official clinician data lists Alexandre J. Mazar at 4 hospitals: Aurelia Osborn Fox Memorial Hospital, Bassett Healthcare, Margaretville Memorial Hospital and O'Connor Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alexandre J. Mazar see patients?
Medicare's clinician data lists 1 practice location in Delhi, NY. Call before your visit to confirm the address.
What is Alexandre J. Mazar's specialty?
Medicare lists Sports Medicine as the primary specialty.
Does Alexandre J. Mazar accept Medicare assignment?
Yes. Medicare's clinician data says Alexandre J. Mazar 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 Alexandre J. Mazar?
(607) 746-0300, as listed in official Medicare / NPI Registry data.
What is Alexandre J. Mazar's NPI number?
1245767151. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alexandre J. Mazar works

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

Group practices

Medicare enrollment lists Alexandre J. Mazar as a member of this group (CMS data updated 2026-10-02).

  • Mary Imogene Bassett Hospital763 clinicians in the group

Specialties

Find other Sports Medicine doctors in New York →

Other sports medicine doctors in New York

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

All sports medicine doctors in New York →

Clinician information

CredentialMD
Graduation year2022
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245767151
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