Theron Layer, D.D.S.

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

019030826 Issued in IL

Practice address

10065 W Lincoln Hwy
Frankfort, IL 60423-1272

Phone

(319) 671-1233

NPI assigned

Jun 7, 2016

Sex

Male

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

Not listed in the public Medicare enrollment file

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.

• Dr Layer DDS PC

  • Dentist
  • Frankfort, IL
  • NPI 1497619795
  NPD Authorized official
• Dr Layer DDS PC

  • Dentist
  • Worth, IL
  • NPI 1578324083

  General Practice

  NPD Authorized official
• Mueller Dental Associates PC

  • Dentist
  • Worth, IL
  • NPI 1316342041
  NPD (past)

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

{
    "created_epoch": "1465257600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765411200000",
    "number": "1386093755",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4300 PALMER DR",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605645661",
            "telephone_number": "319-671-1233"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10065 W LINCOLN HWY",
            "city": "FRANKFORT",
            "state": "IL",
            "postal_code": "604231272",
            "telephone_number": "319-671-1233"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAYER",
        "first_name": "THERON",
        "name_prefix": "Dr.",
        "credential": "D.D.S.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-06-07",
        "last_updated": "2025-12-11",
        "certification_date": "2025-12-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "IL",
            "license": "019030826",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Laser and Cataract Institute, LLC
• Laureate Frankfort Operations LLC
• Catherine S Lavigne, PHARMD
• Desiree N Lavin, RD
• Sheila Lawler, DMD
• Gianna Marie Lazzaroni
• Emilie I Leber, D.C.
• Eric Linden Lee II, MD
• Jordan Marlee Legrett, PHARMD
• Leon J. Kosek, O.D.

• General Practice Dentistry in Frankfort, IL
• Providers in Frankfort, IL by specialty
• General Practice Dentistry in Illinois

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