Individual provider Active NPI

Karen Elaine Lancaster, MSN, BSN, RN, FNP

  • Family Nurse Practitioner
  • Atlanta, GA
National Provider Identifier
1255784542
Registry record updated Oct 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
GAA-NP001841 Issued in GA
Practice address
53 Perimeter Ctr E Ste 120
Atlanta, GA 30346-2005
Phone
(800) 614-2250
NPI assigned
Jul 21, 2016
Last updated
Oct 9, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 9, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse PractitionerGroup: 193400000X SINGLE SPECIALTY GROUP 363LF0000X GAA-NP001841 GA Primary
Family Nurse Practitioner 363LF0000X 28171578A IN

Addresses

Primary practice location

53 Perimeter Ctr E Ste 120
Atlanta, GA 30346-2005

Mailing address

53 Perimeter Ctr E Ste 120
Atlanta, GA 30346-2005
Phone (800) 614-2250

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Bachelor on Science - Nursing, Master of Science - Nursing, Nurse Practitioner, Registered Nurse

State licenses

LicenseStateTypeSpecialty
GAA-NP001841GAMDFamily Nurse Practitioner
28171578AINMDFamily Nurse Practitioner

NPI Registry JSON

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

{
    "created_epoch": "1469059200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759968000000",
    "number": "1255784542",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "53 PERIMETER CTR E STE 120",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303462005",
            "telephone_number": "800-614-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "53 PERIMETER CTR E STE 120",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303462005",
            "telephone_number": "800-614-2250"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LANCASTER",
        "first_name": "KAREN",
        "middle_name": "ELAINE",
        "name_prefix": "Ms.",
        "credential": "MSN, BSN, RN, FNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2016-07-21",
        "last_updated": "2025-10-09",
        "certification_date": "2025-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Family",
            "state": "GA",
            "license": "GAA-NP001841",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IN",
            "license": "28171578A",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Atlanta, GA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 9, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.