Doctor profile · Federal record

Dr. Joseph Cornatzer, D.M.D.

General Practice Dentistry · Hockessin, DE

  • NPI 1457321606
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7197 Lancaster Pike
Hockessin, DE 197079270
(302) 239-5917
Mailing address
33 Winterbury Cir
Wilmington, DE 198081429

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
Delaware #G10001209
Medicaid
DE #1000039449

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457321606. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,196
Transactions
31
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ZIMVIE INC. 31 $2,196.22

By nature of payment

Food and Beverage
$1,140
Travel and Lodging
$1,057

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
94
Patients
79
Total drug cost
$439
Drug Type Claims Patients Total cost
Amoxicillin Generic 64 51 $177
Methylprednisolone Generic 30 28 $262

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Cornatzer's medical specialty?
Dr. Joseph Cornatzer practices General Practice Dentistry in Hockessin, DE.
Where does Dr. Joseph Cornatzer practice?
Dr. Joseph Cornatzer practices at 7197 Lancaster Pike, Hockessin, DE 197079270. Office phone: 3022395917.
What is Dr. Joseph Cornatzer's NPI?
Dr. Joseph Cornatzer's National Provider Identifier (NPI) is 1457321606, issued by NPPES.