Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mary Katherine Johnson, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1720309750

Dr. Mary Katherine Johnson, MD is an Obstetrics/Gynecology in Memphis, Tennessee. Qualified in 2014, 12 years ago. Practices with Mid-South Ob-Gyn PLLC, an 8-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
12
Licensed in
TN
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6215 Humphreys Blvd Ste 100
Memphis, TN 38120-2367
Phone: (901) 747-1200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 50895 (TN)

Record details

NPI number1720309750
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2010
Last updated in NPPESOctober 16, 2025
Certification dateOctober 16, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Mid-South Ob-Gyn Pllc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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