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

Internal Medicine

Brian C. Johnston, MD

Works at hospitals in Dallas, TX · Plano, TX · Rowlett, TX · Texas

Summary

Brian C. Johnston, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Dallas, TX, Plano, TX and Rowlett, TX. NPI 1104322007. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Brian C. 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
8Years since medical school (graduated 2018)
Baylor College Of MedicineMedical school
MaleGender (as listed)
Healthtexas Provider NetworkGroup practice

Quick answers

Which hospitals does Brian C. Johnston work at?
Medicare's official clinician data lists Brian C. Johnston at 4 hospitals: Baylor Scott & White Heart & Vascular Hospital - Dallas, Baylor Scott & White Medical Center Plano, Baylor Scott and White Medical Center Lake Pointe and Baylor University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Brian C. Johnston see patients?
Medicare's clinician data lists 1 practice location in Dallas, TX. Call before your visit to confirm the address.
What is Brian C. Johnston's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Brian C. Johnston accept Medicare assignment?
Yes. Medicare's clinician data says Brian C. 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.
Does Brian C. Johnston offer telehealth?
Medicare's clinician data says Brian C. Johnston offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Brian C. Johnston?
(972) 451-0219, as listed in official Medicare / NPI Registry data.
What is Brian C. Johnston's NPI number?
1104322007. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Brian C. Johnston works

Medicare's Facility Affiliation Data lists Brian C. Johnston at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Brian C. Johnston is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Brian C. Johnston as a member of this group (CMS data updated 2026-10-02).

  • Healthtexas Provider Network2,697 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Dallas

Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.

All internal medicine doctors in Dallas →

Clinician information

CredentialMD
Medical schoolBaylor College Of Medicine
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1104322007
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians