One9 Trauma & Behavioral Health Counseling Services

Primary specialty

Mental Health Clinic/Center (Including Community Mental Health Center)Taxonomy code 261QM0801X

Legal business name

ONE9 TRAUMA & BEHAVIORAL HEALTH COUNSELING SERVICES

Practice address

4039 N 19TH PL
Milwaukee, WI 53209-6806

Phone

(414) 630-4986

Fax

(414) 988-4009

NPI assigned

Apr 5, 2022

Last updated

Sep 19, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dorothy Ree McCollum, LCSWNPI 1134469711

Title

Director

Phone

(414) 630-4986

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in WI

Enrollment records 1

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Dorothy Ree McCollum, MSW, APSW

  • Clinical Social Worker
  • Milwaukee, WI
  • NPI 1134469711
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1649116800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1758240000000",
    "number": "1225779085",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4039 N 19TH PL",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532096806",
            "telephone_number": "414-630-4986",
            "fax_number": "414-988-4009"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4039 N 19TH PL",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532096806",
            "telephone_number": "414-630-4986",
            "fax_number": "414-988-4009"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ONE9 TRAUMA & BEHAVIORAL HEALTH COUNSELING SERVICES",
        "organizational_subpart": "NO",
        "enumeration_date": "2022-04-05",
        "last_updated": "2025-09-19",
        "certification_date": "2025-09-19",
        "status": "A",
        "authorized_official_last_name": "MCCOLLUM",
        "authorized_official_first_name": "DOROTHY",
        "authorized_official_middle_name": "REE",
        "authorized_official_title_or_position": "DIRECTOR",
        "authorized_official_telephone_number": "414-630-4986",
        "authorized_official_credential": "LCSW"
    },
    "taxonomies": [
        {
            "code": "261QM0801X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Mental Health (Including Community Mental Health Center)",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Mental Health Clinic/Center (Including Community Mental Health Center) in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Mental Health Clinic/Center (Including Community Mental Health Center) in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.