Doctor profile · Federal record

Dr. John Krupka, D.D.S.

Dentist · Kaukauna, WI

  • NPI 1265500136
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1901 Crooks Ave
Kaukauna, WI 541303200
(920) 766-1122
Mailing address
N3214 Feather Ridge Dr
Appleton, WI 549139698

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
122300000X — NUCC code
State license (1)
Wisconsin #4897

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265500136. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,423
Transactions
13
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Dentsply Sirona INC 6 $1,192.31
Patterson Companies, INC. 5 $183.22
Straumann USA LLC 1 $27.02
Envista Holdings Corporation 1 $20.28

By nature of payment

Food and Beverage
$923
Entertainment
$250
Education
$250

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
86
Patients
74
Total drug cost
$439
Drug Type Claims Patients Total cost
Amoxicillin Generic 69 58 $234
Clindamycin Hcl Generic 17 16 $206

Frequently asked questions

Auto-generated from federal data
What is Dr. John Krupka's medical specialty?
Dr. John Krupka practices Dentist in Kaukauna, WI.
Where does Dr. John Krupka practice?
Dr. John Krupka practices at 1901 Crooks Ave, Kaukauna, WI 541303200. Office phone: 9207661122.
What is Dr. John Krupka's NPI?
Dr. John Krupka's National Provider Identifier (NPI) is 1265500136, issued by NPPES.