Mark Steven Fossie, MS, LMFT, CSAC, ICS

Primary specialty

Marriage & Family TherapistTaxonomy code 106H00000X

License

460-124 Issued in WI

Practice address

2821 N 4TH St
516
Milwaukee, WI 53212-2362

Phone

(414) 263-6000

Fax

(414) 263-2270

NPI assigned

Apr 23, 2007

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in WI

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

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science

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.

• The Power of Change

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Milwaukee, WI
  • NPI 1730477688

  Addiction (Substance Use Disorder)

  Medicare reassignment NPD
• M & S Clinical Services, Inc

  • Community/Behavioral Health Agency
  • Milwaukee, WI
  • NPI 1487878500
  NPD Authorized official
• Westcare Wisconsin, Inc

  • Community/Behavioral Health Agency
  • Milwaukee, WI
  • NPI 1801544259
  NPD (past)

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

{
    "created_epoch": "1177286400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1114145612",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2821 N 4TH ST",
            "address_2": "516",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532122362",
            "telephone_number": "414-263-6000",
            "fax_number": "414-263-2270"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2821 N 4TH ST",
            "address_2": "516",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532122362",
            "telephone_number": "414-263-6000",
            "fax_number": "414-263-2270"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FOSSIE",
        "first_name": "MARK",
        "middle_name": "STEVEN",
        "name_prefix": "Mr.",
        "credential": "MS, LMFT, CSAC, ICS",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-04-23",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "WI",
            "license": "14971-132",
            "primary": false
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "WI",
            "license": "402",
            "primary": false
        },
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "WI",
            "license": "460-124",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Fortis Management Group LLC
• Fortis Management Holdings, Inc.
• Fortunate Futures
• Forward Choices, LLC
• Kevin Forward
• Foster Care Youth Independence Center of Wisconsin, Inc
• Foster Friend Foundation
• Jolanda Foster-Rogers, LPC
• Brooke Foster
• Cathleen Denise Foster, MS, OTR

• Marriage & Family Therapist in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Marriage & Family Therapist in Wisconsin

• 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.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.