Doctor profile · Federal record

Dr. OSCAR ESPARZA, D.D.S

General Practice Dentistry · Dentist · ONTARIO, CA

  • NPI 1972576130
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
213 W G ST
ONTARIO, CA 917623227
(909) 986-6180
fax (909) 986-6179
Additional location
5250 Philadelphia St Ste O
Chino, CA 917102483
(909) 613-1300
fax (909) 613-1302
Additional location
786 E Foothill Blvd Ste O
Rialto, CA 923765285
(909) 874-7870
fax (909) 874-8761
Mailing address
213 W G STREET
ONTARIO, CA 917623227

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
October 18, 2018
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
California #45252
Medicaid
CA #D45252

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972576130. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$79
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Straumann USA LLC 1 $34.12
Sonendo Inc 1 $27.00
OraPharma, a division of Bausch Health US, LLC 1 $18.07

By nature of payment

Food and Beverage
$79

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
23
Patients
20
Total drug cost
$122
Drug Type Claims Patients Total cost
Amoxicillin Generic 23 20 $122