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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. LEON A WERTHEIMER DDS
NPI 1023083672
Dentist - General Practice in Merion, PA

Active since February 17, 2006
352 MONTGOMERY AVE, MERION, PA 19066(610) 668-0606(610) 668-8427 Get Directions Write a Review

NPPES record last updated: August 9, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Leon A Wertheimer Dds NPPES

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

DR. LEON A WERTHEIMER DDS (NPI 1023083672) is an individual general practice provider in Merion, Pennsylvania, licensed in Pennsylvania (DS 019271-L) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1023083672
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. LEON A WERTHEIMERCredential: DDS
Location Address352 MONTGOMERY AVEMerion, PA 19066-1202
Mailing Address118 Summit LnBala Cynwyd, PA 19004-2919 · (610) 667-2039 · Fax (610) 667-8089
Phone(610) 668-0606
Fax(610) 668-8427
Sole ProprietorYes
Enumeration DateFebruary 17, 2006
Last NPPES UpdateAugust 9, 2026
✔ NPI 1023083672 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in PA · DS 019271-L
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.
352 MONTGOMERY AVE, Merion, PA 19066
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Accepted Insurance

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

Other Providers at the Same Location NPPES 3

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

MERION DENTAL GROUP DBA MERION FAMILY DENTISTRY
Dentist (General Practice)
352 MONTGOMERY AVE
MERION STATION, PA 19066
Montgomery County (484) 278-4441
LEON A. WERTHEIMER, D.D.S.
Dentist (General Practice)
352 MONTGOMERY AVE
MERION STATION, PA 19066
Montgomery County (610) 668-0606
MERION FAMILY DENTISTRY
Clinic/Center (Dental)
352 MONTGOMERY AVE
MERION STATION, PA 19066
Montgomery County (484) 278-4441

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 Leon Wertheimer's NPI number?

The NPI number for Leon Wertheimer is 1023083672. It was assigned to this individual provider in the NPPES registry on February 17, 2006.

Where is Leon Wertheimer located?

Leon Wertheimer practices at 352 Montgomery Ave, Merion, PA 19066. The listed phone number is (610) 668-0606.

What is Leon Wertheimer's specialty?

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

What insurance does Leon Wertheimer accept?

Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 3 other insurers list Leon Wertheimer 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 Leon Wertheimer was last updated on August 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated yesterday. 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.