Individual provider Active NPI

Nathaniel L Karlins, MD

  • Diagnostic Radiology Physician
  • Duluth, MN
National Provider Identifier
1295752962
Registry record updated Oct 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
34402 Issued in MN
Practice address
420 E 1St St
Duluth, MN 55805-1901
Phone
(218) 786-8364
NPI assigned
Jul 17, 2006
Last updated
Oct 9, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 9, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 6072 ND
Diagnostic Radiology Physician 2085R0202X 34402 MN Primary

Addresses

Primary practice location

420 E 1St St
Duluth, MN 55805-1901

Mailing address

2101 Elm St N
Fargo, ND 58102-2417
Phone (701) 234-5256

Other practice location 1

2101 Elm St N
Fargo, ND 58102-2417
Phone (701) 239-3700 ext. 93270

Other practice location 2

801 Broadway N
Fargo, ND 58102-3641
Phone (701) 234-5256

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN
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
I20260225002517 MN Practitioner - Diagnostic Radiology 0648466078 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Washington University School of Medicine, 1975
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

649 /2 State St NW
Evansville, MN 56326-8124
Phone (218) 948-2040

712 S Cascade St
Fergus Falls, MN 56537-2913
Phone (218) 736-8000

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
6072NDMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Lake Region Healthcare Corporation CurrentSince Jan 26, 2026 Accepting new patients
Lake Region Healthcare Corporation CurrentSince Jan 26, 2026 Accepting new patients

Locations

1411 Highway 79 E
Elbow Lake, MN 56531
Phone (218) 685-7300

649 State St NW
Evansville, MN 56326
Phone (218) 948-2040

Organizations & group practices 3

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1153094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791504000000",
    "number": "1295752962",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2101 ELM ST N",
            "city": "FARGO",
            "state": "ND",
            "postal_code": "581022417",
            "telephone_number": "701-234-5256",
            "fax_number": "701-234-6072"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "420 E 1ST ST",
            "city": "DULUTH",
            "state": "MN",
            "postal_code": "558051901",
            "telephone_number": "218-786-8364"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2101 Elm St N",
            "address_purpose": "LOCATION",
            "city": "Fargo",
            "state": "ND",
            "postal_code": "581022417",
            "country_code": "US",
            "telephone_number": "701-239-3700 x93270",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "801 Broadway N",
            "address_purpose": "LOCATION",
            "city": "Fargo",
            "state": "ND",
            "postal_code": "581023641",
            "country_code": "US",
            "telephone_number": "701-234-5256",
            "fax_number": "701-234-6072",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KARLINS",
        "first_name": "NATHANIEL",
        "middle_name": "L",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-17",
        "last_updated": "2026-10-09",
        "certification_date": "2026-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "ND",
            "license": "6072",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MN",
            "license": "34402",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Duluth, MN

Sources for this page

Verify at the official NPI Registry.