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Family Practice

Mary McCormick, MD

Works at hospitals in Johnson City, TN · Tennessee

Summary

Mary McCormick, MD (Family Practice) is listed by Medicare at 1 hospital in Johnson City, TN. NPI 1568693133. 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 Mary McCormick, 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
17Years since medical school (graduated 2009)
East Tennessee State University Quillen College Of MedicineMedical school
FemaleGender (as listed)
Holston Medical Group PCGroup practice

Quick answers

Which hospitals does Mary McCormick work at?
Medicare's official clinician data lists Mary McCormick at 1 hospital: Johnson City Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mary McCormick see patients?
Medicare's clinician data lists 1 practice location in Johnson City, TN. Call before your visit to confirm the address.
What is Mary McCormick's specialty?
Medicare lists Family Practice as the primary specialty.
Does Mary McCormick accept Medicare assignment?
Yes. Medicare's clinician data says Mary McCormick 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 Mary McCormick?
(423) 461-2100, as listed in official Medicare / NPI Registry data.
What is Mary McCormick's NPI number?
1568693133. 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 McCormick works

Medicare's Facility Affiliation Data lists Mary McCormick 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 Mary McCormick is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mary McCormick as a member of this group (CMS data updated 2026-10-02).

  • Holston Medical Group PC238 clinicians in the group

Specialties

Find other Family Practice doctors in Tennessee →

Other family doctors in Johnson City

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

All family doctors in Johnson City →

Clinician information

CredentialMD
Medical schoolEast Tennessee State University Quillen College Of Medicine
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568693133
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