Derek Wallenstein

Primary specialty

Social WorkerTaxonomy code 104100000X

Practice address

1635 43Rd St S Ste 105
Fargo, ND 58103-3579

Phone

(701) 412-2973

NPI assigned

Oct 6, 2020

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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.

• Solutions Behavioral Healthcare Professionals, PC

  dba Solutions Behavioral Healthcare Professionals

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Moorhead, MN
  • NPI 1801909239
  NPD

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

{
    "created_epoch": "1601942400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1689271371",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1547 30TH AVE S",
            "city": "MOORHEAD",
            "state": "MN",
            "postal_code": "565605149",
            "telephone_number": "218-287-4338",
            "fax_number": "218-287-5928"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1635 43RD ST S STE 105",
            "city": "FARGO",
            "state": "ND",
            "postal_code": "581033579",
            "telephone_number": "701-412-2973"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALLENSTEIN",
        "first_name": "DEREK",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-10-06",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Vanessa Renise Walker, NP
• Camille Walkin
• Amanda Wallace, AAS, LPN
• Brandi Wallace, FNP
• Heather Ann Walleen, RN
• Carmen Waller Waller
• Walman Optical Company
• John Walsh, MD
• Corey William Walters
• Kaitlin Jo Walters, APRN

• Social Worker in Fargo, ND
• Providers in Fargo, ND by specialty
• Social Worker in North Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.