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Family Practice

James Johnston, MD

Sees patients in Kingsport, TN · Tennessee

Summary

James Johnston, MD (Family Practice) is enrolled with Medicare at 1 practice location in Kingsport, TN. NPI 1598253957. 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 James Johnston, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
East Tennessee State University Quillen College Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does James Johnston see patients?
Medicare's clinician data lists 1 practice location in Kingsport, TN. Call before your visit to confirm the address.
What is James Johnston's specialty?
Medicare lists Family Practice as the primary specialty.
Does James Johnston accept Medicare assignment?
Yes. Medicare's clinician data says James Johnston 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 James Johnston's NPI number?
1598253957. 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 James Johnston is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Family Practice doctors in Tennessee →

Other family doctors in Kingsport

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

All family doctors in Kingsport →

Clinician information

CredentialMD
Medical schoolEast Tennessee State University Quillen College Of Medicine
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598253957
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