Diana J Semmelhack, PSY.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

071-006302 Issued in IL

Practice address

1919 Lincoln St
Evanston, IL 60201-2230

Phone

(847) 491-0165

Fax

(847) 492-9463

NPI assigned

Oct 5, 2006

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

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

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.

• Davken Associates, P.C.

  • Clinical Psychologist
  • Deerfield, IL
  • NPI 1457393159
  NPD (past)

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

{
    "created_epoch": "1160006400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745798400000",
    "number": "1316033392",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1919 LINCOLN ST",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602012230",
            "telephone_number": "847-491-0165",
            "fax_number": "847-492-9463"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1919 LINCOLN ST",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602012230",
            "telephone_number": "847-491-0165",
            "fax_number": "847-492-9463"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SEMMELHACK",
        "first_name": "DIANA",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "PSY.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-10-05",
        "last_updated": "2025-04-28",
        "certification_date": "2025-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "IL",
            "license": "071-006302",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John Michael Sellers, LCSW
• Jeffery D. Semel, MD
• Krista L Seminetta, DPT
• Fenna Marie Semken, MSW
• Todd Paul Semla, PHARM.D.
• Jean-Claude Senecal, DMD
• Jennifer Senecal, OTR/L
• Mary E Senn, MSW, LCSW, ACSW
• Philip Peter Serafin, DO
• Annette W. Sereika, APN-CNP

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.