Nathanael M Larsen, PH.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

LP2878 Issued in MN

Practice address

126 E Alcott Ave
Fergus Falls, MN 56537-2903

Phone

(218) 736-6987

Fax

(218) 736-6980

NPI assigned

May 27, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 5

Medicare fee-for-service enrollment

Enrolled in MN

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Lakeland Mental Health Center IncGroup PAC ID 1759291891, 39 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

Locations

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.

• Lakeland Mental Health Center, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Fergus Falls, MN
  • NPI 1366480287
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1148688000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1912954728",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23355 OAKVIEW HEIGHTS DR",
            "city": "FERGUS FALLS",
            "state": "MN",
            "postal_code": "565378163"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "126 E ALCOTT AVE",
            "city": "FERGUS FALLS",
            "state": "MN",
            "postal_code": "565372903",
            "telephone_number": "218-736-6987",
            "fax_number": "218-736-6980"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LARSEN",
        "first_name": "NATHANAEL",
        "middle_name": "M",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-27",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MN",
            "license": "LP2878",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHPARTNER",
            "identifier": "HP23070",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PREFERREDONE",
            "identifier": "1010714",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED BEHAVIOR HEALTH",
            "identifier": "62-20513",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MN BLUE CROSS BLUE SHIELD",
            "identifier": "57399LA",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UCARE MINNESOTA",
            "identifier": "116689",
            "state": "MN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• James William Lange, DDS
• Zachary Lange
• Langfeld Counseling PLLC
• Hillary Langfeld, LICSW
• Kelsey Larsen
• Doris Mary Larson, RN
• Pamela Kay Larson, LPN
• Tawny Larson
• Claire Lason
• Coralyn Mary Lass, LPN

• Clinical Psychologist in Fergus Falls, MN
• Providers in Fergus Falls, MN by specialty
• Clinical Psychologist in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.

Verify at the official NPI Registry.