Doctor profile · Federal record

Dr. John Gernetzke, D.D.S.

Dentist · Evansville, WI

  • NPI 1629050026
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
109 S Madison St
Evansville, WI 535361319
(608) 882-4441
fax (608) 882-4967

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
122300000X — NUCC code
State license (1)
Wisconsin #4078
Medicaid
WI #33688500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629050026. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$68
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Patterson Companies, INC. 1 $58.22
Ultradent Products INC 2 $9.32

By nature of payment

Food and Beverage
$68

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
39
Patients
21
Total drug cost
$143
Drug Type Claims Patients Total cost
Amoxicillin Generic 28 21 $98
Azithromycin Generic 11 0 $45

Frequently asked questions

Auto-generated from federal data
What is Dr. John Gernetzke's medical specialty?
Dr. John Gernetzke practices Dentist in Evansville, WI.
Where does Dr. John Gernetzke practice?
Dr. John Gernetzke practices at 109 S Madison St, Evansville, WI 535361319. Office phone: 6088824441.
What is Dr. John Gernetzke's NPI?
Dr. John Gernetzke's National Provider Identifier (NPI) is 1629050026, issued by NPPES.