Gregory Frank Kubik, D.D.S.

Primary specialty

DentistTaxonomy code 122300000X

Practice address

490 Coventry LN
Suite 200
Crystal Lake, IL 60014-7548

Phone

(815) 455-7757

NPI assigned

Oct 27, 2006

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

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.

• Gregory F. Kubik, LTD

  • Orthodontics and Dentofacial Orthopedics Dentistry
  • Crystal Lake, IL
  • NPI 1861578163
  NPD (past) Authorized official

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

{
    "created_epoch": "1161907200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1417033150",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "490 COVENTRY LN",
            "address_2": "SUITE 200",
            "city": "CRYSTAL LAKE",
            "state": "IL",
            "postal_code": "600147548",
            "telephone_number": "815-455-7757"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "490 COVENTRY LN",
            "address_2": "SUITE 200",
            "city": "CRYSTAL LAKE",
            "state": "IL",
            "postal_code": "600147548",
            "telephone_number": "815-455-7757"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KUBIK",
        "first_name": "GREGORY",
        "middle_name": "FRANK",
        "name_prefix": "Dr.",
        "credential": "D.D.S.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-27",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "IL",
            "license": null,
            "primary": true
        },
        {
            "code": "1223X0400X",
            "taxonomy_group": "",
            "desc": "Dentist, Orthodontics and Dentofacial Orthopedics",
            "state": "IL",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marko F Krpan, DO
• Laura Kruppe
• Samuel Nathan Krus, BCBA
• Jacquelyn Catahay Ksiazkiewicz, PT
• KT Therapy, PLLC
• Robyn Kubik, LPC
• Gregory T Kuhlman, DC
• Agnieszka B Kumar, DDS
• Thomas J Kwasiborski
• David Kwon, D.D.S

• Dentist in Crystal Lake, IL
• Providers in Crystal Lake, IL by specialty
• Dentist in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.