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DR. MARIA ROSARIO DE LEON D.D.S.
NPI 1639353162
Dentist - General Practice in Upper Montclair, NJ

Active since December 19, 2007
204 BELLEVUE AVE, SUITE B, UPPER MONTCLAIR, NJ 07043(973) 783-4400(973) 783-4447 Get Directions Write a Review

NPPES record last updated: December 19, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Maria Rosario De Leon D.d.s. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARIA ROSARIO DE LEON D.D.S. (NPI 1639353162) is an individual general practice provider in Upper Montclair, New Jersey, licensed in New Jersey (22DI02206200) and active in the NPI registry since December 2007.

NPPES Registry Identity

NPI1639353162
Entity TypeIndividualFemale
Primary Taxonomy1223G0001X
Provider Legal NameDR. MARIA ROSARIO DE LEONCredential: D.D.S.
Location Address204 BELLEVUE AVE, SUITE BUpper Montclair, NJ 07043-1893
Mailing Address204 Bellevue Ave, Suite BUpper Montclair, NJ 07043-1893 · (973) 783-4400 · Fax (973) 783-4447
Phone(973) 783-4400
Fax(973) 783-4447
Sole ProprietorYes
Enumeration DateDecember 19, 2007
✔ NPI 1639353162 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in NJ · 22DI02206200
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
204 BELLEVUE AVE, Upper Montclair, NJ 07043
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Other Names 1

Professional Name (2)Dr. Rosemarie De Leon D.d.s.

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MANNIE LEVI DDS
Dentist (Pediatric Dentistry)
204 BELLEVUE AVE
UPPER MONTCLAIR, NJ 07043
Essex County (973) 783-4491

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maria De Leon's NPI number?

The NPI number for Maria De Leon is 1639353162. It was assigned to this individual provider in the NPPES registry on December 19, 2007. The provider is also known as Dr. Rosemarie De Leon D.D.S..

Where is Maria De Leon located?

Maria De Leon practices at 204 Bellevue Ave Suite B, Upper Montclair, NJ 07043. The listed phone number is (973) 783-4400.

What is Maria De Leon's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

What insurance does Maria De Leon accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Maria De Leon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Maria De Leon was last updated on December 19, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.