Tyler Donald Demers, PSY.D, LP

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

071.009989 Issued in IL

Practice address

17154 W Hoff Rd
Elwood, IL 60421-9440

Phone

(815) 478-4625

Fax

(815) 478-7832

NPI assigned

Apr 17, 2012

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

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Jun 27, 2023 through Jun 27, 2027

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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.

• Center for New Pathways, PC

  • Adult Mental Health Clinic/Center
  • Schaumburg, IL
  • NPI 1659661262
  NPD (past)
• Jennifer E. Manfre, LTD

  • Clinical Psychologist
  • Woodridge, IL
  • NPI 1447793591
  NPD (past)
• Magnolia Wellness Center

  • Clinical Psychologist
  • Lake Villa, IL
  • NPI 1740986421
  NPD (past)

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

{
    "created_epoch": "1334620800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777593600000",
    "number": "1386901247",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "345 HALE AVE",
            "city": "ROMEOVILLE",
            "state": "IL",
            "postal_code": "604461707",
            "telephone_number": "251-223-1509"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17154 W HOFF RD",
            "city": "ELWOOD",
            "state": "IL",
            "postal_code": "604219440",
            "telephone_number": "815-478-4625",
            "fax_number": "815-478-7832"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1701 E Woodfield Rd Ste 330",
            "address_purpose": "LOCATION",
            "city": "Schaumburg",
            "state": "IL",
            "postal_code": "601735128",
            "country_code": "US",
            "telephone_number": "847-592-5588",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6161 N Winthrop Ave",
            "address_2": "Apt. 504",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606602683",
            "country_code": "US",
            "telephone_number": "251-223-1509",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DEMERS",
        "first_name": "TYLER",
        "middle_name": "DONALD",
        "name_prefix": "Dr.",
        "credential": "PSY.D, LP",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2012-04-17",
        "last_updated": "2026-05-01",
        "certification_date": "2026-05-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "IL",
            "license": "071.009989",
            "primary": true
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "222Q00000X",
            "taxonomy_group": "",
            "desc": "Developmental Therapist",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• James Andre
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• Elite Surgical LLC
• Elwood Fire Protection District
• Michael David Geraci, LCSW
• Charles Kinney Jr.

• Clinical Psychologist in Elwood, IL
• Providers in Elwood, IL by specialty
• Clinical Psychologist in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.