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ERNST A. CORNIELSEN D.D.S.
NPI 1447268651
Dentist - Oral and Maxillofacial Surgery in Lake Geneva, WI

Active since August 03, 2006
312 CENTER ST, LAKE GENEVA, WI 53147(262) 248-2868(262) 248-7274 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Ernst A. Cornielsen D.d.s. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ERNST A. CORNIELSEN D.D.S. (NPI 1447268651) is an individual oral and maxillofacial surgery provider in Lake Geneva, Wisconsin, licensed in Wisconsin (1732-G) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1447268651
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameERNST A. CORNIELSENCredential: D.D.S.
Location Address312 CENTER STLake Geneva, WI 53147-1904
Mailing AddressW3627 Wildwood DrLake Geneva, WI 53147-3568 · (262) 248-2868 · Fax (262) 248-7274
Phone(262) 248-2868
Fax(262) 248-7274
Sole ProprietorNo
Enumeration DateAugust 3, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1447268651 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
License✔ Licensed in WI · 1732-G
Definition
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
312 CENTER ST, Lake Geneva, WI 53147
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Other Identifiers 3

Medicare UPINT35306WI
Medicare ID-Type Unspecified76484WI
Medicare ID-Type Unspecified206370IL

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LAKE GENEVA ORAL AND MAXILLOFACIAL SURGERY, LTD
Dentist (Oral and Maxillofacial Surgery)
312 CENTER ST
LAKE GENEVA, WI 53147
Walworth County (262) 248-8766
DR. ROBERT CONLON D.D.S.
Dentist (Oral and Maxillofacial Surgery)
312 CENTER ST
LAKE GENEVA, WI 53147
Walworth County (262) 248-8766
DR. MATTHEW JOSEPH HEINZ DDS, MD
Dentist (Oral and Maxillofacial Surgery)
312 CENTER ST
LAKE GENEVA, WI 53147
Walworth County (262) 248-8766

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ernst Cornielsen's NPI number?

The NPI number for Ernst Cornielsen is 1447268651. It was assigned to this individual provider in the NPPES registry on August 3, 2006.

Where is Ernst Cornielsen located?

Ernst Cornielsen practices at 312 Center St, Lake Geneva, WI 53147. The listed phone number is (262) 248-2868.

What is Ernst Cornielsen's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

When was this NPI record last updated?

The NPPES record for Ernst Cornielsen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.