Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Douglas S. Johnson, MD

Sees patients in Nashville, TN · Tennessee

Summary

Douglas S. Johnson, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Nashville, TN. NPI 1023233228. 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 Douglas S. Johnson, 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
20Years since medical school (graduated 2006)
Vanderbilt University School Of MedicineMedical school
MaleGender (as listed)
Dialysis Clinic IncGroup practice

Quick answers

Where does Douglas S. Johnson see patients?
Medicare's clinician data lists 1 practice location in Nashville, TN. Call before your visit to confirm the address.
What is Douglas S. Johnson's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Douglas S. Johnson accept Medicare assignment?
Yes. Medicare's clinician data says Douglas S. Johnson 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 Douglas S. Johnson?
(615) 329-1495, as listed in official Medicare / NPI Registry data.
What is Douglas S. Johnson's NPI number?
1023233228. 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 Douglas S. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Douglas S. Johnson as a member of this group (CMS data updated 2026-10-02).

  • Dialysis Clinic Inc4 clinicians in the group

Specialties

Find other Internal Medicine doctors in Tennessee →

Other internal medicine doctors in Nashville

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

All internal medicine doctors in Nashville →

Clinician information

CredentialMD
Medical schoolVanderbilt University School Of Medicine
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023233228
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