Doctor profile · Federal record

Dr. Thomas Gronau, D.D.S

Dentist · Wilmington, OH

  • NPI 1790900629
  • 19 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1439 Rombach Ave, Suite 1
Wilmington, OH 451771990
(937) 382-7100
fax (937) 382-5662

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
122300000X — NUCC code
State license (1)
Ohio #19339
Medicaid
OH #2028479

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790900629. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$226
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Ultradent Products Inc 2 $225.98

By nature of payment

Gift
$226

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
63
Patients
57
Total drug cost
$169
Drug Type Claims Patients Total cost
Amoxicillin Generic 40 36 $120
Ibuprofen Generic 23 21 $49

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Gronau's medical specialty?
Dr. Thomas Gronau practices Dentist in Wilmington, OH.
Where does Dr. Thomas Gronau practice?
Dr. Thomas Gronau practices at 1439 Rombach Ave, Wilmington, OH 451771990. Office phone: 9373827100.
What is Dr. Thomas Gronau's NPI?
Dr. Thomas Gronau's National Provider Identifier (NPI) is 1790900629, issued by NPPES.