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Internal Medicine

Michael Zamostny, DO

Works at hospitals in Seaman, OH · Batavia, OH · Fairfield, OH … · Ohio, Virginia

Summary

Michael Zamostny, DO (Internal Medicine) is listed by Medicare at 5 hospitals in Seaman, OH, Batavia, OH and Fairfield, OH and other places. NPI 1659819928. 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 Michael Zamostny, 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
9Years since medical school (graduated 2017)
MaleGender (as listed)
Emergency Medicine Associates P.A., P.C.Group practice (+1 more)

Quick answers

Which hospitals does Michael Zamostny work at?
Medicare's official clinician data lists Michael Zamostny at 5 hospitals: Adams County Regional Medical Center, Mercy Health - Clermont Hospital, Mercy Health - Fairfield Hospital, Mercy Health - West Hospital and Sentara Martha Jefferson Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael Zamostny see patients?
Medicare's clinician data lists 4 practice locations, including Springfield, OH, Batavia, OH and Cincinnati, OH. Call before your visit to confirm the address.
What is Michael Zamostny's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Michael Zamostny accept Medicare assignment?
Yes. Medicare's clinician data says Michael Zamostny 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 Michael Zamostny?
(937) 523-1461, as listed in official Medicare / NPI Registry data.
What is Michael Zamostny's NPI number?
1659819928. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael Zamostny works

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

Group practices

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

  • Emergency Medicine Associates P.A., P.C.714 clinicians in the group
  • Usacs Integrated Acute Care Services of Ohio LLC233 clinicians in the group

Specialties

Find other Internal Medicine doctors in Ohio →

Other internal medicine doctors in Springfield

Clinicians with the same Medicare primary specialty in Springfield, OH — not a recommendation.

All internal medicine doctors in Springfield →

Clinician information

CredentialDO
Graduation year2017
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659819928
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