Felix Kate Deiss, PSY.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

071010982 Issued in IL

Practice address

213 W Institute PL Ste 500
Chicago, IL 60610-8792

Phone

(801) 641-3208

NPI assigned

Jun 14, 2023

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

Opted out of Medicare

Yes, effective Dec 19, 2024 through Dec 19, 2026

Medicare enrollment (NPD)

Not 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.

• Deiss Psychotherapy PLLC

  • Adult Mental Health Clinic/Center
  • Chicago, IL
  • NPI 1881588531
  NPD Authorized official

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

{
    "created_epoch": "1686700800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779408000000",
    "number": "1992489520",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "213 W INSTITUTE PL STE 500",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606108792",
            "telephone_number": "801-641-3208"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "213 W INSTITUTE PL STE 500",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606108792",
            "telephone_number": "801-641-3208"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEISS",
        "first_name": "FELIX",
        "middle_name": "KATE",
        "name_prefix": "Dr.",
        "credential": "PSY.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-06-14",
        "last_updated": "2026-05-22",
        "certification_date": "2026-05-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "OR",
            "license": "4129",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "IL",
            "license": "071010982",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ashley B Deicher, PA
• Julie C Deignan, P.T.
• Joshua B Dein, MD
• Deiss Psychotherapy PLLC
• Nimrod Deiss-Yehiely, MD
• Deitch Pharmacy Inc.
• Drake Deitch
• Lisa Marie Dejanovich, PTA
• Dejean Wellness
• William Paul Dejean, DDS

• Clinical Psychologist in Chicago, IL
• Providers in Chicago, 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 22, 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.