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Family Practice

Mary C. McMillan, DO

Works at hospitals in Port Saint Lucie, FL · Florida

Summary

Dr. Mary C. McMillan, DO is a family doctor at 2000 Health Park Dr, Brentwood, TN 37027. May accept Medicare assignment. NPI 1033812664. 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: 2000 Health Park Dr, Brentwood, TN 37027 · Directions
  • Medicare: May accept Medicare assignment
  • Hospital: St Lucie Medical Center
  • Medical school: graduated 2023 (3 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary C. McMillan, 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 C. McMillan accept Medicare assignment?
Medicare's clinician data says Mary C. McMillan may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Mary C. McMillan's NPI number?
1033812664. 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 C. McMillan works

Medicare's Facility Affiliation Data lists Mary C. McMillan 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.

Practice locations

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

  • 2000 Health Park DrBrentwood, TN 37027

Specialties

Find other Family Practice doctors in Tennessee →

Other family doctors in Brentwood

Clinicians with the same Medicare primary specialty in Brentwood, TN — not a recommendation.

All family doctors in Brentwood →

Clinician information

CredentialDO
Graduation year2023 (3 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1033812664
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