Doctor profile · Federal record

Dr. Mark Zelko, D.D.S.

General Practice Dentistry · Pewaukee, WI

  • NPI 1144603671
  • 11 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2305 Silvernail RD
Pewaukee, WI 530725402
(262) 548-0770
Mailing address
W236S4630 Whispering Hills CT
Waukesha, WI 531899774

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
Wisconsin #1001162-15

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144603671. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
GC America Inc. 1 $19.64

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
41
Patients
28
Total drug cost
$232
Drug Type Claims Patients Total cost
Penicillin V Potassium Generic 26 17 $195
Amoxicillin Generic 15 11 $37

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Zelko's medical specialty?
Dr. Mark Zelko practices General Practice Dentistry in Pewaukee, WI.
Where does Dr. Mark Zelko practice?
Dr. Mark Zelko practices at 2305 Silvernail RD, Pewaukee, WI 530725402. Office phone: 2625480770.
What is Dr. Mark Zelko's NPI?
Dr. Mark Zelko's National Provider Identifier (NPI) is 1144603671, issued by NPPES.