Doctor profile · Federal record

Dr. Mark Wieczorek, D.M.D.

Dentist · Dentist · Bear, DE

  • NPI 1801929294
  • 19 yrs on file
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
494 Bear Christiana RD
Bear, DE 197011039
(610) 361-9768
fax (610) 361-9766

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
February 14, 2024
Specialty taxonomy
122300000X — NUCC code
State licenses (2)
Delaware #G1-0001204 · Pennsylvania #DS-030059-L

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801929294. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
BioHorizons Implant Systems Inc. 1 $16.85
Ultradent Products Inc 1 $6.95

By nature of payment

Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
35
Patients
33
Total drug cost
$208
Drug Type Claims Patients Total cost
Chlorhexidine Gluconate Generic 20 19 $115
Amoxicillin Generic 15 14 $93

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Wieczorek's medical specialty?
Dr. Mark Wieczorek practices Dentist in Bear, DE.
Where does Dr. Mark Wieczorek practice?
Dr. Mark Wieczorek practices at 494 Bear Christiana RD, Bear, DE 197011039. Office phone: 6103619768.
What is Dr. Mark Wieczorek's NPI?
Dr. Mark Wieczorek's National Provider Identifier (NPI) is 1801929294, issued by NPPES.