Mercedes Aguilar Leoncio, DDS — NPI 1134358021

Mercedes Aguilar Leoncio, DDS’s National Provider Identifier is 1134358021. NPPES classifies this as a Type 1 individual record and reports a practice location in Vallejo, California. The primary taxonomy is Dentist.

Key facts

NPI
1134358021
Entity type
Type 1 individual
NPPES status
Active in the August 10, 2026 snapshot
Practice location
263 SANDY NECK WAY
Vallejo, California 94591
Practice telephone
(415) 312-9344
Primary taxonomy
Dentist (122300000X)
Dental Providers › Dentist
Enumeration date
July 13, 2009
NPPES last update
July 25, 2012
Source
CMS NPPES, NPPES Data Dissemination August 2026 V2

Questions answered by the NPPES record

What is the NPI for Mercedes Aguilar Leoncio, DDS?

The NPI listed for Mercedes Aguilar Leoncio, DDS in the NPPES snapshot is 1134358021. The number passes the NPI check-digit test and is recorded as active in that snapshot.

Is NPI 1134358021 an individual or organization record?

NPPES records NPI 1134358021 as an Entity Type 1 record, which CMS assigns to an individual health care provider.

Where is the reported practice location?

The primary practice location reported to NPPES is 263 SANDY NECK WAY, Vallejo, California 94591.

What taxonomy codes are listed for this NPI?

One taxonomy code is listed: Dentist (122300000X), the primary taxonomy. Names come from the NUCC Health Care Provider Taxonomy code set version 26.1; definitions are not reproduced.

When was the NPPES record last updated?

NPPES reports a last update date of July 25, 2012 and an enumeration date of July 13, 2009, as published in NPPES Data Dissemination August 2026 V2.

Source and data date

All facts on this page come from the Centers for Medicare & Medicaid Services (CMS) NPPES data dissemination file NPPES Data Dissemination August 2026 V2, released August 10, 2026 (snapshot date 2026-08-10). The record was reproduced from the main provider file without edits; only the fields listed on the methodology page are published.

CMS updates NPPES continuously and this page reflects a single monthly snapshot. Confirm current details in the official NPPES NPI Registry.

Directory pages

This profile is listed on the Vallejo, California NPI directory and the California NPI directory.

Other published profiles in Vallejo, CA

Up to ten other profiles this site publishes for Vallejo, listed alphabetically. Appearing together here indicates only a shared reported practice city, not any affiliation or relationship. The city page lists all 44 published profiles.

Independent service disclaimer

This directory is an independent, experimental publication of public NPPES fields. It is not affiliated with or endorsed by CMS, NPPES, Medicare, the American Medical Association, or the National Uniform Claim Committee. An NPI is an administrative identifier. Its presence here does not establish that a provider is licensed, credentialed, board certified, in good standing, accepting patients or insurance, employed by or affiliated with any organization, or currently practicing. Nothing on this page is medical, legal, or insurance advice.