Doctor profile · Federal record

Dr. Melissa Ota, DDS

General Practice Dentistry · Irvine, CA

  • NPI 1821498940
  • 12 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
2 Osborn St Ste 140
Irvine, CA 926048656
(929) 525-2522
Additional location
1000 Fivepoint
Irvine, CA 926182621
(888) 333-4673
Additional location
1500 Duarte RD
Duarte, CA 910103012
(800) 826-4673
Mailing address
109 Superior
Irvine, CA 926202225

Credentials & registration

NPPES · NUCC
NPI registered
August 2014 — 12 yrs on file
Profile last updated
April 9, 2026
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
California #63289

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821498940. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Dentsply Sirona Inc 1 $20.88

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
33
Patients
12
Total drug cost
$215
Drug Type Claims Patients Total cost
Sodium Fluoride (Fluoride (Sodium)) Brand 17 0 $141
Amoxicillin Generic 16 12 $74

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Ota's medical specialty?
Dr. Melissa Ota practices General Practice Dentistry in Irvine, CA.
Where does Dr. Melissa Ota practice?
Dr. Melissa Ota practices at 2 Osborn St Ste 140, Irvine, CA 926048656. Office phone: 9295252522.
What is Dr. Melissa Ota's NPI?
Dr. Melissa Ota's National Provider Identifier (NPI) is 1821498940, issued by NPPES.