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

Obstetrics/Gynecology

Mark Antosh, MD

Works at hospitals in Syracuse, NY · New York

Summary

Mark Antosh, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Syracuse, NY. NPI 1295746584. 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 Mark Antosh, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
MaleGender (as listed)

Quick answers

Which hospitals does Mark Antosh work at?
Medicare's official clinician data lists Mark Antosh at 1 hospital: University Hospital S U N y Health Science Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark Antosh see patients?
Medicare's clinician data lists 1 practice location in East Syracuse, NY. Call before your visit to confirm the address.
What is Mark Antosh's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Mark Antosh accept Medicare assignment?
Yes. Medicare's clinician data says Mark Antosh 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 Mark Antosh?
(315) 432-1048, as listed in official Medicare / NPI Registry data.
What is Mark Antosh's NPI number?
1295746584. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark Antosh works

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

Specialties

Find other Obstetrics/Gynecology doctors in New York →

Other OB-GYNs in East Syracuse

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

All OB-GYNs in East Syracuse →

Clinician information

CredentialMD
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1295746584
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