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Internal Medicine

Maria Kellermier, MD

Works at hospitals in Marion, OH · Marysville, OH · Ohio

Summary

Maria Kellermier, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Marion, OH and Marysville, OH. NPI 1679986236. 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 Maria Kellermier, 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
12Years since medical school (graduated 2014)
FemaleGender (as listed)
Union County Physician CorporationGroup practice

Quick answers

Which hospitals does Maria Kellermier work at?
Medicare's official clinician data lists Maria Kellermier at 2 hospitals: Marion General Hospital and Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Maria Kellermier see patients?
Medicare's clinician data lists 2 practice locations, including Richwood, OH and Marysville, OH. Call before your visit to confirm the address.
What is Maria Kellermier's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Maria Kellermier accept Medicare assignment?
Yes. Medicare's clinician data says Maria Kellermier 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 Maria Kellermier?
(740) 943-2354, as listed in official Medicare / NPI Registry data.
What is Maria Kellermier's NPI number?
1679986236. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Maria Kellermier works

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

Group practices

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

  • Union County Physician Corporation105 clinicians in the group

Specialties

Find other Internal Medicine doctors in Ohio →

Other internal medicine doctors in Ohio

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

All internal medicine doctors in Ohio →

Clinician information

CredentialMD
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679986236
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