Gerald E. Ziesemer, PH.D.

Primary specialty

Forensic PsychologistTaxonomy code 103TF0200X

License

LP0697 Issued in MN

Practice address

126 E Alcott Ave
Fergus Falls, MN 56537-2903

Phone

(218) 736-6987

Fax

(218) 736-0734

NPI assigned

Jun 14, 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 2

Addresses

Other identifiers 4

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

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
  NPD (past)

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

{
    "created_epoch": "1150243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1720021751",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "934 W LINDEN ST",
            "city": "FERGUS FALLS",
            "state": "MN",
            "postal_code": "565371048"
        },
        {
            "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": "218-736-0734"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZIESEMER",
        "first_name": "GERALD",
        "middle_name": "E.",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-14",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MN",
            "license": "LP0697",
            "primary": false
        },
        {
            "code": "103TF0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Forensic",
            "state": "MN",
            "license": "LP0697",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD OF MINNESOTA",
            "identifier": "59198ZI",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHPARTNERS",
            "identifier": "HP48651",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UCARE MINNESOTA",
            "identifier": "104276",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PREFERREDONE",
            "identifier": "1042327",
            "state": "MN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Amber Wulff, RDH
• Jody Lynn Wurst, RN
• Sally Marie Wyatt, RN
• Barbara K. Young, M.S.
• Brita Anne Zacha
• Deane Zimmerman, CRNA
• Lauran Francis Zwack

• Forensic Psychologist in Fergus Falls, MN
• Providers in Fergus Falls, MN by specialty
• Forensic 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.