David Aaron Timm, OTR/L

Primary specialty

Occupational TherapistTaxonomy code 225X00000X

License

056.016023 Issued in IL

Practice address

6840 N Sacramento Ave
Chicago, IL 60645-2740

Phone

(877) 407-3422

Fax

(877) 407-4329

NPI assigned

May 28, 2024

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 2

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.

• Fox Rehabilitation Services Il LLC

  • Physical Therapist
  • Westchester, IL
  • NPI 1114443462

  Occupational Therapist

  NPD

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

{
    "created_epoch": "1716854400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742947200000",
    "number": "1245070440",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4134 N TERRAMERE AVE",
            "city": "ARLINGTON HEIGHTS",
            "state": "IL",
            "postal_code": "600041360",
            "telephone_number": "847-987-6887"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6840 N SACRAMENTO AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606452740",
            "telephone_number": "877-407-3422",
            "fax_number": "877-407-4329"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "800 W Oakton St",
            "address_purpose": "LOCATION",
            "city": "Arlington Heights",
            "state": "IL",
            "postal_code": "600044600",
            "country_code": "US",
            "telephone_number": "847-368-7400",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "407 W 63rd St",
            "address_purpose": "LOCATION",
            "city": "Westmont",
            "state": "IL",
            "postal_code": "605592910",
            "country_code": "US",
            "telephone_number": "877-407-3422",
            "fax_number": "877-407-4329",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TIMM",
        "first_name": "DAVID",
        "middle_name": "AARON",
        "credential": "OTR/L",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-05-28",
        "last_updated": "2025-03-26",
        "certification_date": "2025-03-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "IL",
            "license": "056.016023",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://www.cms.gov/research-statistics-data-systems/electronic-submission-medical-documentation-esmd/cms-health-information-handler",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.13.34.110.1.998.01",
            "affiliationName": "Fox Rehabilitation Services IL LLC",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "407 W 63rd St",
            "city": "Westmont",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605592910",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://www.cms.gov/research-statistics-data-systems/electronic-submission-medical-documentation-esmd/cms-health-information-handler",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.13.34.110.1.998.01",
            "affiliationName": "Fox Rehabilitation Services IL LLC",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "6840 N Sacramento Ave",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606452740",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Tim Heilizer SC Corp
• Time Being Therapy LLC
• Timeless Smiles Dental
• Arianna Timko, PSYD
• Alexandra H Timm, DPT
• Amanda Nicole Timmerman, M.S., CCC-SLP
• Anne Patricia Timmermann, MD, MS
• Jessica Timmins, FNP
• April Timmons Tyler, PHD
• Anna Elizabeth Timmons, OTR/L

• Occupational Therapist in Chicago, IL
• Providers in Chicago, IL by specialty
• Occupational Therapist in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 26, 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.