Active NPI
Nagender Mankan, M.D.
- Hematology & Oncology Physician
- Roswell, GA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- 057887
- Practice address
- 4500 Hospital Blvd Ste 300
Roswell, GA 30076-0001 - Phone
- (470) 321-7500
- Fax
- (778) 355-4474
- NPI assigned
- Jun 1, 2006
- Last updated
- Oct 29, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hematology & Oncology Physician | 207RH0003X | 057887 | GA | Primary |
Addresses
Primary practice location
4500 Hospital Blvd Ste 300
Roswell, GA 30076-0001
Mailing address
531 Roselane St NW Ste 710
Marietta, GA 30060-6975
Phone (678) 331-3297
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1396782827 | Other | GA | NPI NUMBER |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | nmankan288468@directwellstar.org |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in GA
- 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
- Hematology/Oncology
- Education
- Other, 1996
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1020 J L White Dr
Suite 160
Jasper, GA 30143-4910
Phone (706) 692-0603
3000 Hospital Blvd
Roswell, GA 30076-4915
Phone (770) 751-2912
4500 Hospital Blvd
Roswell, GA 30076-0001
5150 Stilesboro N W Rd
Suite 220
Kennesaw, GA 30152-7742
Phone (770) 424-8222
9420 Willeo Rd
Suite 206
Roswell, GA 30075-6773
Phone (404) 439-9851
Hospital & facility affiliations
- Wellstar Cobb Medical Center
- Wellstar North Fulton Medical Center
- Wellstar Kennestone Regional Medical Center
- Piedmont Cartersville Medical Center
- Wellstar Douglas Medical Center
- Wellstar Windy Hill Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 93.93 of 100
- Quality
- 82.14
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Wellstar Medical Group, LLC | Current | Accepting new patients | |
| Wellstar Medical Group, LLC | Current | Accepting new patients | |
| Wellstar Medical Group, LLC | Current | Accepting new patients | |
| Cancer Radiation & Specialty Clinics of El Paso. PA | Past | Accepting new patients | |
| Hospital Authority of Valdosta and Lowndes County, Georgia | Past | Accepting new patients |
Locations
5150 Stilesboro Rd NW
Ste 220
Kennesaw, GA 30152
Phone (770) 424-8222
2500 Hospital Blvd
Ste 490
Roswell, GA 30076
Phone (470) 321-7500
2501 N Patterson St
Valdosta, GA 31602
Phone (229) 259-4139
Interoperability endpoints
- nagender.mankan@satl.ikm.direct-ci.com
Organizations & group practices 5
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba WellStar Family Medicine ACW
- Family Medicine Physician
- Kennesaw, GA
- NPI 1558664003
-
- Multi-Specialty Clinic/Center
- Marietta, GA
- NPI 1275992240
-
dba WellStar North Cobb Pediatrics
- Pediatrics Physician
- Kennesaw, GA
- NPI 1932405073
-
- Ambulance
- Valdosta, GA
- NPI 1558141671
-
- Specialist
- El Paso, TX
- NPI 1164665147
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Cartersville Medical Center
- General Acute Care Hospital
- Cartersville, GA
- NPI 1780638833
-
dba Wellstar Cobb Hospital
- General Acute Care Hospital
- Austell, GA
- NPI 1467420448
-
dba Wellstar Douglas Hospital
- General Acute Care Hospital
- Douglasville, GA
- NPI 1649247974
-
dba Wellstar Kennestone Hospital
- General Acute Care Hospital
- Marietta, GA
- NPI 1649248626
-
dba Wellstar Windy Hill Hospital
- Long Term Care Hospital
- Marietta, GA
- NPI 1700853041
Long-term care hospital
-
dba WellStar North Fulton Hospital
- General Acute Care Hospital
- Roswell, GA
- NPI 1750312997
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149120000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761696000000",
"number": "1396782827",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "531 ROSELANE ST NW STE 710",
"city": "MARIETTA",
"state": "GA",
"postal_code": "300606975",
"telephone_number": "678-331-3297",
"fax_number": "678-581-7187"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4500 HOSPITAL BLVD STE 300",
"city": "ROSWELL",
"state": "GA",
"postal_code": "300760001",
"telephone_number": "470-321-7500",
"fax_number": "778-355-4474"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MANKAN",
"first_name": "NAGENDER",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-01",
"last_updated": "2025-10-29",
"certification_date": "2025-10-29",
"status": "A"
},
"taxonomies": [
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "GA",
"license": "057887",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "NPI NUMBER",
"identifier": "1396782827",
"state": "GA"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "nmankan288468@directwellstar.org",
"affiliation": "N",
"address_1": "2500 Hospital Blvd Ste 490",
"city": "Roswell",
"state": "GA",
"country_code": "US",
"postal_code": "300764975",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Roswell, GA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 29, 2025; 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.