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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. MICHAEL WESTREICH DDS
NPI 1902856255
Dentist - Periodontics in Madison, NJ

Active since May 10, 2006
18 MADISON AVE, MADISON, NJ 07940(973) 822-0330 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Michael Westreich Dds NPPES

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

DR. MICHAEL WESTREICH DDS (NPI 1902856255) is an individual periodontics provider in Madison, New Jersey, licensed in New Jersey (8585) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1902856255
Entity TypeIndividualMale
Primary Taxonomy1223P0300X
Provider Legal NameDR. MICHAEL WESTREICHCredential: DDS
Location Address18 MADISON AVEMadison, NJ 07940-1433
Mailing Address18 Madison AveMadison, NJ 07940-1433 · (973) 822-0330
Phone(973) 822-0330
Sole ProprietorNo
Enumeration DateMay 10, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1902856255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · PeriodonticsDental Providers
Taxonomy Code1223P0300X
License✔ Licensed in NJ · 8585
Definition
That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.
18 MADISON AVE, Madison, NJ 07940
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Accepted Insurance

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

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 Michael Westreich's NPI number?

The NPI number for Michael Westreich is 1902856255. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Where is Michael Westreich located?

Michael Westreich practices at 18 Madison Ave, Madison, NJ 07940. The listed phone number is (973) 822-0330.

What is Michael Westreich's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

What insurance does Michael Westreich accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Michael Westreich 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 Michael Westreich was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.