Marissa Lynn O'Neill, TLLP

Primary specialty

PsychologistTaxonomy code 103T00000X

License

6361005251 Issued in MI

Practice address

1205 E Wackerly St
Midland, MI 48642-7035

Phone

(989) 832-9161

Fax

(989) 832-8813

NPI assigned

Jun 13, 2016

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

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 and National Provider Directory roles.

• Behavioral Medicine Associates of Mid Michigan PC

  • Clinical Psychologist
  • Midland, MI
  • NPI 1740370089
  NPD

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

{
    "created_epoch": "1465776000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747872000000",
    "number": "1033569868",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4187 BROCKWAY RD",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486384776",
            "telephone_number": "616-894-6744"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1205 E WACKERLY ST",
            "city": "MIDLAND",
            "state": "MI",
            "postal_code": "486427035",
            "telephone_number": "989-832-9161",
            "fax_number": "989-832-8813"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'NEILL",
        "first_name": "MARISSA",
        "middle_name": "LYNN",
        "credential": "TLLP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2016-06-13",
        "last_updated": "2025-05-22",
        "certification_date": "2025-05-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MI",
            "license": "6361005251",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elvira Mikhailovna O'Brien, M.D.
• Heather Marie O'Farrell, MA, LLPC
• Alaura O'Hara, BEHAVIOR ANALYST
• Dalaynie O'Hare
• Jessica O'Leary
• Oakland Orthopedic Appliances Inc
• Leah Oard, LLMSW
• Oasis Professional Counseling
• Obesity Medicine & Metabolic Wellness Clinic PLLC
• Objective Staffing Solutions LLC

• Psychologist in Midland, MI
• Providers in Midland, MI by specialty
• Psychologist in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 22, 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.