Individual provider Active NPI

Ernst A. Cornielsen, D.D.S.

  • Oral and Maxillofacial Surgery (Dentist)
  • Lake Geneva, WI
National Provider Identifier
1447268651
Registry record updated Jul 8, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Oral and Maxillofacial Surgery (Dentist)Taxonomy code 1223S0112X
License
1732-G Issued in WI
Practice address
312 Center St
Lake Geneva, WI 53147-1904
Phone
(262) 248-2868
Fax
(262) 248-7274
NPI assigned
Aug 3, 2006
Last updated
Jul 8, 2007By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 8, 2007

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Oral and Maxillofacial Surgery (Dentist) 1223S0112X 1732-G WI Primary
Oral and Maxillofacial Surgery (Dentist) 1223S0112X IL

Addresses

Primary practice location

312 Center St
Lake Geneva, WI 53147-1904

Mailing address

W3627 Wildwood Dr
Lake Geneva, WI 53147-3568
Phone (262) 248-2868

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
019014281ILMDOral and Maxillofacial Surgery (Dentist)
1732-GWIMDOral and Maxillofacial Surgery (Dentist)

Practice roles

OrganizationSpecialtyStatusNew patients
Lake Geneva Oral and Maxillofacial Surgery, LTD Oral and Maxillofacial Surgery PastSince Jul 1, 2014 Accepting new patients

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1154563200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1447268651",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "W3627 WILDWOOD DR",
            "city": "LAKE GENEVA",
            "state": "WI",
            "postal_code": "531473568",
            "telephone_number": "262-248-2868",
            "fax_number": "262-248-7274"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "312 CENTER ST",
            "city": "LAKE GENEVA",
            "state": "WI",
            "postal_code": "531471904",
            "telephone_number": "262-248-2868",
            "fax_number": "262-248-7274"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CORNIELSEN",
        "first_name": "ERNST",
        "middle_name": "A.",
        "credential": "D.D.S.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-03",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223S0112X",
            "taxonomy_group": "",
            "desc": "Dentist, Oral and Maxillofacial Surgery",
            "state": "WI",
            "license": "1732-G",
            "primary": true
        },
        {
            "code": "1223S0112X",
            "taxonomy_group": "",
            "desc": "Dentist, Oral and Maxillofacial Surgery",
            "state": "IL",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lake Geneva, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2007; 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.