DR. MARY KATHERINE JOHNSON M.D.
NPI 1720309750
Obstetrics & Gynecology in Memphis, TN
About Dr. Mary Katherine Johnson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY KATHERINE JOHNSON M.D. (NPI 1720309750) is an individual obstetrics & gynecology provider in Memphis, Tennessee, licensed in Tennessee (50895) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Baptist Memorial Hospital Desoto, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mary Katherine Johnson M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baptist Memorial Hospital Desoto
Acute Care Hospitals · Southaven, MSBaptist Memorial Hospital
Acute Care Hospitals · Memphis, TNMethodist Hospitals Of Memphis
Acute Care Hospitals · Memphis, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38120 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MEMPHIS, TN 38120
MEMPHIS, TN 38120
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Johnson's NPI number?
The NPI number for Mary Johnson is 1720309750. It was assigned to this individual provider in the NPPES registry on June 14, 2010.
Where is Mary Johnson located?
Mary Johnson practices at 6215 Humphreys Blvd Ste 100, Memphis, TN 38120. The listed phone number is (901) 747-1200.
What is Mary Johnson's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Mary Johnson enrolled in Medicare?
Yes. Mary Johnson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Mary Johnson accept?
Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 5 other insurers list Mary Johnson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mary Johnson affiliated with any hospitals?
According to CMS data, Mary Johnson is affiliated with Baptist Memorial Hospital Desoto, Baptist Memorial Hospital and Methodist Hospitals Of Memphis.
When was this NPI record last updated?
The NPPES record for Mary Johnson was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
