Michael James Opsommer, LMSW, CAC1

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

6801062764 Issued in MI

Practice address

2300 Genoa Business Park Dr Ste 180
Brighton, MI 48114-7374

Phone

(810) 220-2787

Fax

(810) 220-2834

NPI assigned

Oct 16, 2006

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)

Enrolled

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: lifestancehealth.michaelopsommer@150339.advancedmd-direct.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Downriver Mental Health Clinic PC

  • Psychologist
  • Taylor, MI
  • NPI 1295866135

  Mental Health

  NPD (past)

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

{
    "created_epoch": "1160956800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1033209366",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11735 CRESTVIEW RD",
            "city": "WHITMORE LAKE",
            "state": "MI",
            "postal_code": "481899309",
            "telephone_number": "734-449-4607",
            "fax_number": "517-485-3513"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2300 GENOA BUSINESS PARK DR STE 180",
            "city": "BRIGHTON",
            "state": "MI",
            "postal_code": "481147374",
            "telephone_number": "810-220-2787",
            "fax_number": "810-220-2834"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OPSOMMER",
        "first_name": "MICHAEL",
        "middle_name": "JAMES",
        "name_prefix": "Mr.",
        "credential": "LMSW, CAC1",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-16",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "MI",
            "license": "6801062764",
            "primary": true
        },
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "MI",
            "license": "6801062764",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nomathembi Shakura Olatunji, DNP
• Erin Oldford, LPC
• Claudia Oliver, PT
• Grace Ann Olney
• Lisa Moody Oltmanns, M.D.
• Kristen Marie Ora, LMSW, CAADC
• Ethan Ormsbee
• Melissa Bornemann Osborn, DC
• Eric Ott
• Ouillette Chiropractic PLLC

• Mental Health Counselor in Brighton, MI
• Providers in Brighton, MI by specialty
• Mental Health Counselor in Michigan

• 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.