Active NPI
Karen Elaine Lancaster, MSN, BSN, RN, FNP
- Family Nurse Practitioner
- Atlanta, GA
National Provider Identifier
1255784542
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- GAA-NP001841
- 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, 2025
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Nurse Practitioner | 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
| License | State | Type | Specialty |
|---|---|---|---|
| GAA-NP001841 | GA | MD | Family Nurse Practitioner |
| 28171578A | IN | MD | Family 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.