Doctor profile · Federal record

Dr. Thomas Karn, DMD, MS

Endodontist · Plymouth, MN

  • NPI 1578638946
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3401 Highway 169 N
Plymouth, MN 554412413
(763) 559-0859
fax (763) 559-4356
Mailing address
622 Roosevelt RD 180
Saint Cloud, MN 563016361

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
December 8, 2015
Specialty taxonomy
1223E0200X — NUCC code
State license (1)
Minnesota #D11880

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578638946. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$10,000
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Sonendo INC 1 $10,000.00

By nature of payment

Education
$10,000

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
59
Patients
56
Total drug cost
$357
Drug Type Claims Patients Total cost
Amoxicillin Generic 59 56 $357

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Karn's medical specialty?
Dr. Thomas Karn practices Endodontist in Plymouth, MN.
Where does Dr. Thomas Karn practice?
Dr. Thomas Karn practices at 3401 Highway 169 N, Plymouth, MN 554412413. Office phone: 7635590859.
What is Dr. Thomas Karn's NPI?
Dr. Thomas Karn's National Provider Identifier (NPI) is 1578638946, issued by NPPES.