Active NPI
Lisa J Mahan, MD
- Internal Medicine Physician
- Memphis, TN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 35126
- Practice address
- 3360 N Watkins St
Memphis, TN 38127-6405 - Phone
- (901) 401-7150
- NPI assigned
- May 3, 2006
- Sex
- Female
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | 35126 | TN | |
| Internal Medicine Physician | 207R00000X | 35126 | TN | Primary |
Addresses
Primary practice location
3360 N Watkins St
Memphis, TN 38127-6405
Mailing address
PO Box 746725
Atlanta, GA 30374-6725
Phone (901) 401-7150
Other practice location 1
2847 Poplar Ave Ste 103
Memphis, TN 38111-2022
Phone (901) 244-3549
Other practice location 2
850 N Graham St
Memphis, TN 38122-2505
Phone (901) 292-2880
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 3863830 | Medicaid | TN |
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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 1997
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3360 N Watkins St
Memphis, TN 38127-6432
Phone (901) 401-7150
Hospital & facility affiliations
- Methodist Hospitals of Memphis
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Harper Medical Group, PC | Current | Accepting new patients | |
| Oak Street Health Physicians Group of Tennessee, PLLC | Internal Medicine | Current | Accepting new patients |
| Osh Mi Physicians Group, PC | Current | Accepting new patients | |
| Osh-Mi Physicians Group PC | Internal Medicine | Past | Accepting new patients |
Locations
5475 Poplar Ave
Ste 106
Memphis, TN 38119
Phone (901) 254-8040
3360 N Watkins St
Memphis, TN 38127
Phone (901) 353-4603
Interoperability endpoints
- lisa.mahan@oakstreethealth.gwaydirect.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.
-
- Primary Care Clinic/Center
- Memphis, TN
- NPI 1720635790
-
- Urgent Care Clinic/Center
- Memphis, TN
- NPI 1518274927
-
- Internal Medicine Physician
- Memphis, TN
- NPI 1760116172
-
- Family Medicine Physician
- Greensboro, NC
- NPI 1033766092
Internal Medicine
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Children's Hospital
- Memphis, TN
- NPI 1386709871
-
- General Acute Care Hospital
- Memphis, TN
- NPI 1558365890
-
- Children's Hospital
- Germantown, TN
- NPI 1649654450
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1146614400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774915200000",
"number": "1508824285",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 746725",
"city": "ATLANTA",
"state": "GA",
"postal_code": "303746725",
"telephone_number": "901-401-7150",
"fax_number": "901-347-1285"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3360 N WATKINS ST",
"city": "MEMPHIS",
"state": "TN",
"postal_code": "381276405",
"telephone_number": "901-401-7150"
}
],
"practiceLocations": [
{
"address_1": "2847 Poplar Ave Ste 103",
"address_purpose": "LOCATION",
"city": "Memphis",
"state": "TN",
"postal_code": "381112022",
"country_code": "US",
"telephone_number": "901-244-3549",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "850 N Graham St",
"address_purpose": "LOCATION",
"city": "Memphis",
"state": "TN",
"postal_code": "381222505",
"country_code": "US",
"telephone_number": "901-292-2880",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MAHAN",
"first_name": "LISA",
"middle_name": "J",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-05-03",
"last_updated": "2026-03-31",
"certification_date": "2026-03-31",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "TN",
"license": "35126",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "TN",
"license": "35126",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "3863830",
"state": "TN"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Memphis, TN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.