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Family Practice

Mary R. McCullough, MD

Works at hospitals in Greensburg, IN · Indiana

Summary

Dr. Mary R. McCullough, MD is a family doctor at 955 N Michigan Ave, 4 Dcmh Immediate Care, Greensburg, IN 47240. Phone: (812) 662-6450. Accepts Medicare assignment. NPI 1407855943. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 955 N Michigan Ave, 4 Dcmh Immediate Care, Greensburg, IN 47240 · Directions
  • Phone: (812) 662‑6450
  • Medicare: Accepts Medicare assignment
  • Hospital: Decatur County Memorial Hospital
  • Group practice: Decatur County Memorial Hospital
  • Medical school: Indiana University School Of Medicine · graduated 1983 (43 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary R. McCullough, 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 Mary R. McCullough accept Medicare assignment?
Yes. Medicare's clinician data says Mary R. McCullough 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 Mary R. McCullough's NPI number?
1407855943. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mary R. McCullough works

Medicare's Facility Affiliation Data lists Mary R. McCullough 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.

  • Decatur County Memorial HospitalGreensburg, IN · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 151332

Practice locations

Addresses where Mary R. McCullough is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mary R. McCullough as a member of this group (CMS data updated October 2, 2026).

  • Decatur County Memorial Hospital129 clinicians in the group

Specialties

Find other Family Practice doctors in Indiana →

Other family doctors in Greensburg

Clinicians with the same Medicare primary specialty in Greensburg, IN — not a recommendation.

All family doctors in Greensburg →

Other clinicians in Decatur County Memorial Hospital

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

Clinician information

CredentialMD
Medical schoolIndiana University School Of Medicine
Graduation year1983 (43 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407855943
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