Individual provider Active NPI

Mary Katherine Johnson, M.D.

  • Obstetrics & Gynecology Physician
  • Memphis, TN
National Provider Identifier
1720309750
Registry record updated Oct 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
50895 Issued in TN
Practice address
6215 Humphreys Blvd
Ste 100
Memphis, TN 38120-2367
Phone
(901) 747-1200
NPI assigned
Jun 14, 2010
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 16, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 50895 TN Primary

Addresses

Primary practice location

6215 Humphreys Blvd
Ste 100
Memphis, TN 38120-2367

Mailing address

6215 Humphreys Blvd Ste 100
Memphis, TN 38120-2382
Phone (901) 747-1200

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TN
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20140728000779 TN Practitioner - Obstetrics/Gynecology 1557587581 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mid-South OB-GYN PLLCGroup PAC ID 6709313844, 8 clinicians

Practice addresses (Care Compare)

6215 Humphreys Blvd
Suite 100
Memphis, TN 38120-2382
Phone (901) 747-1200

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal or shaving of skin growth1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
50895TNMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Baptist Memorial Medical Group Inc Obstetrics & Gynecology CurrentSince Jul 1, 2015 Accepting new patients
Mid-South OB-GYN PLLC Obstetrics & Gynecology CurrentSince Apr 1, 2025 Accepting new patients
Women's Care Center of Memphis, Mpllc Obstetrics & Gynecology CurrentSince Jul 28, 2014 Accepting new patients
Baptist Memorial Medical Group Inc CurrentSince Jul 1, 2015 Accepting new patients

Locations

36 Capital Way
Ste E
Atoka, TN 38004
Phone (901) 837-6801

1727 Kirby Pkwy
Ste 200
Memphis, TN 38120
Phone (901) 507-1029

6215 Humphreys Blvd
Ste 100
Memphis, TN 38120
Phone (901) 747-1200

8970 Winchester Rd
Memphis, TN 38125
Phone (901) 794-5806

6225 Humphreys Blvd
Memphis, TN 38120
Phone (901) 227-2727

Interoperability endpoints

  • Direct secure messaging: mjohnson30540@mlh.direct-ci.com
  • Direct secure messaging: mary.johnson.1@32696.direct.athenahealth.com

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 5

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1276473600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760572800000",
    "number": "1720309750",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6215 HUMPHREYS BLVD STE 100",
            "city": "MEMPHIS",
            "state": "TN",
            "postal_code": "381202382",
            "telephone_number": "901-747-1200",
            "fax_number": "901-747-1220"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6215 HUMPHREYS BLVD",
            "address_2": "STE 100",
            "city": "MEMPHIS",
            "state": "TN",
            "postal_code": "381202367",
            "telephone_number": "901-747-1200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "MARY",
        "middle_name": "KATHERINE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-06-14",
        "last_updated": "2025-10-16",
        "certification_date": "2025-10-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TN",
            "license": "50895",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Memphis, TN

Sources for this page

Verify at the official NPI Registry.