Individual provider Active NPI

Nagender Mankan, M.D.

  • Hematology & Oncology Physician
  • Roswell, GA
National Provider Identifier
1396782827
Registry record updated Oct 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
057887 Issued in GA
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, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 29, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
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

IdentifierTypeStateIssuer
1396782827OtherGANPI NUMBER

Electronic endpoints 1

TypeEndpointUseAffiliation
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190219002636 GA Practitioner - Hematology/Oncology 3779586441 Reassigns benefits to 1 organization

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
Wellstar Medical Group LLCGroup PAC ID 6709065402, 3,059 clinicians

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

Merit-based Incentive Payment System (MIPS)

Final score
93.93 of 100Reported as apm
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

OrganizationSpecialtyStatusNew patients
Wellstar Medical Group, LLC Current Accepting new patients
Wellstar Medical Group, LLC CurrentSince Mar 1, 2020 Accepting new patients
Wellstar Medical Group, LLC CurrentSince Mar 1, 2020 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

  • Direct secure messaging: 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.

Hospital & facility affiliations 6

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": "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

Verify at the official NPI Registry.