Doctor profile · Federal record

Dr. Mercedes Leoncio, DDS

Dentist · Vallejo, CA

  • NPI 1134358021
  • 17 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
263 Sandy Neck Way
Vallejo, CA 945917851
(415) 312-9344

Credentials & registration

NPPES · NUCC
NPI registered
July 2009 — 17 yrs on file
Profile last updated
July 25, 2012
Specialty taxonomy
122300000X — NUCC code
State license (1)
California #58452

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134358021. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$202
Transactions
11
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Align Technology, INC. 9 $178.37
Ultradent Products INC 2 $23.94

By nature of payment

Food and Beverage
$202

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
11
Total drug cost
$80
Drug Type Claims Patients Total cost
Amoxicillin Generic 14 11 $80

Frequently asked questions

Auto-generated from federal data
What is Dr. Mercedes Leoncio's medical specialty?
Dr. Mercedes Leoncio practices Dentist in Vallejo, CA.
Where does Dr. Mercedes Leoncio practice?
Dr. Mercedes Leoncio practices at 263 Sandy Neck Way, Vallejo, CA 945917851. Office phone: 4153129344.
What is Dr. Mercedes Leoncio's NPI?
Dr. Mercedes Leoncio's National Provider Identifier (NPI) is 1134358021, issued by NPPES.