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Gastroenterology

David H. McMillen, MD

Sees patients in Nashville, TN · Tennessee

Summary

David H. McMillen, MD (Gastroenterology) is enrolled with Medicare at 1 practice location in Nashville, TN. NPI 1275524936. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about David H. McMillen, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
University Of Texas Medical School At HoustonMedical school
MaleGender (as listed)
Heritage Medical Associates PCGroup practice

Quick answers

Where does David H. McMillen see patients?
Medicare's clinician data lists 1 practice location in Nashville, TN. Call before your visit to confirm the address.
What is David H. McMillen's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does David H. McMillen accept Medicare assignment?
Yes. Medicare's clinician data says David H. McMillen 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 David H. McMillen?
(629) 255-3486, as listed in official Medicare / NPI Registry data.
What is David H. McMillen's NPI number?
1275524936. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where David H. McMillen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists David H. McMillen as a member of this group (CMS data updated 2026-10-02).

  • Heritage Medical Associates PC164 clinicians in the group

Specialties

Find other Gastroenterology doctors in Tennessee →

Other gastroenterologists in Nashville

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

All gastroenterologists in Nashville →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At Houston
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275524936
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians