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Obstetrics/Gynecology

Mary K. Johnson, MD

Works at hospitals in Memphis, TN · Southaven, MS · Tennessee, Mississippi

Summary

Mary K. Johnson, MD (Obstetrics/Gynecology) is listed by Medicare at 3 hospitals in Memphis, TN and Southaven, MS. NPI 1720309750. 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 K. 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
FemaleGender (as listed)
Mid-South Ob-Gyn PLLCGroup practice

Quick answers

Which hospitals does Mary K. Johnson work at?
Medicare's official clinician data lists Mary K. Johnson at 3 hospitals: Baptist Memorial Hospital, Baptist Memorial Hospital Desoto and Methodist Hospitals of Memphis. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mary K. Johnson see patients?
Medicare's clinician data lists 1 practice location in Memphis, TN. Call before your visit to confirm the address.
What is Mary K. Johnson's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Mary K. Johnson accept Medicare assignment?
Yes. Medicare's clinician data says Mary K. 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 Mary K. Johnson?
(901) 747-1200, as listed in official Medicare / NPI Registry data.
What is Mary K. Johnson's NPI number?
1720309750. 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 K. Johnson works

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

Group practices

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

  • Mid-South Ob-Gyn PLLC9 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Tennessee →

Other OB-GYNs in Memphis

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

All OB-GYNs in Memphis →

Clinician information

CredentialMD
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1720309750
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