Individual provider Active NPI

Nicholas Donald Klemen, M.D.

  • Surgical Oncology Physician
  • Durham, NC
National Provider Identifier
1730474412
Registry record updated Jan 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Oncology PhysicianTaxonomy code 2086X0206X
License
2025-04237 Issued in NC
Practice address
Duke University Medical Ctr
Box 3654
Durham, NC 27710-0001
Phone
(812) 345-1341
NPI assigned
Jun 10, 2011
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 8, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgical Oncology Physician 2086X0206X 2025-04237 NC Primary

Addresses

Primary practice location

Duke University Medical Ctr
Box 3654
Durham, NC 27710-0001

Mailing address

203 Research Dr
Msrb1, Room 401
Durham, NC 27710-3022
Phone (812) 345-1341

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NC
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
I20260325004032 NC Practitioner - General Surgery 0941580377 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Indiana University School of Medicine, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Duke Health Integrated Practice IncGroup PAC ID 8325412737, 3,140 clinicians

Practice addresses (Care Compare)

2301 Erwin Rd
Durham, NC 27705-4699
Phone (919) 684-8111

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
2025-04237NCMDSurgical Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Duke Health Integrated Practice, Inc. Past Accepting new patients

Organizations & group practices 2

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.

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": "1307664000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767830400000",
    "number": "1730474412",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "203 RESEARCH DR",
            "address_2": "MSRB1, ROOM 401",
            "city": "DURHAM",
            "state": "NC",
            "postal_code": "277103022",
            "telephone_number": "812-345-1341"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "DUKE UNIVERSITY MEDICAL CTR",
            "address_2": "BOX 3654",
            "city": "DURHAM",
            "state": "NC",
            "postal_code": "277100001",
            "telephone_number": "812-345-1341"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KLEMEN",
        "first_name": "NICHOLAS",
        "middle_name": "DONALD",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-06-10",
        "last_updated": "2026-01-08",
        "certification_date": "2026-01-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "NC",
            "license": "2025-04237",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Durham, NC

Sources for this page

Verify at the official NPI Registry.