McKenzie Mortensen, MS OTR/L

Primary specialty

Occupational TherapistTaxonomy code 225X00000X

License

5201012978 Issued in MI

Practice address

1540 E Hospital Dr
Ann Arbor, MI 48109-4000

Phone

(734) 936-4000

NPI assigned

Feb 22, 2016

Sex

Female

Sole proprietor

No

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 MI

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science

State licenses

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.

• Aa Therapy Works, LLC

  • Speech-Language Pathologist
  • Ann Arbor, MI
  • NPI 1144608456

  MI

  Medicare reassignment

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

{
    "created_epoch": "1456099200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763683200000",
    "number": "1336508159",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "635 S MAPLE RD STE 2",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481033838",
            "telephone_number": "734-369-6002"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1540 E HOSPITAL DR",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481094000",
            "telephone_number": "734-936-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MORTENSEN",
        "first_name": "MCKENZIE",
        "credential": "MS OTR/L",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-02-22",
        "last_updated": "2025-11-21",
        "certification_date": "2025-11-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "NC",
            "license": "11840",
            "primary": false
        },
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "MI",
            "license": "5201012978",
            "primary": true
        },
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "AZ",
            "license": "6475",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Paul Thomas Morse, MD
• Megan E Morsi, PA
• Armin Mortazavi
• Mary Patricia Mortell, M.D.
• David Mortensen, MD
• Richard Michael Mortensen, MD
• Emily Jo Mortenson, RN
• Lindsey Young Mortenson, M.D.
• Andrew Morton
• Christina Marie Morton, MD

• Occupational Therapist in Ann Arbor, MI
• Providers in Ann Arbor, MI by specialty
• Occupational Therapist in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 21, 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.