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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. GARY MARK LAZAROFF DMD
NPI 1720101959
Dentist - Endodontics in Providence, RI

Active since April 10, 2007
257 WAYLAND AVENUE, PROVIDENCE, RI 02906(401) 272-1380(401) 272-1387 Get Directions Write a Review

NPPES record last updated: July 26, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Gary Mark Lazaroff Dmd NPPES

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

DR. GARY MARK LAZAROFF DMD (NPI 1720101959) is an individual endodontics provider in Providence, Rhode Island, licensed in Rhode Island (1815) and active in the NPI registry since April 2007.

NPPES Registry Identity

NPI1720101959
Entity TypeIndividualMale
Primary Taxonomy1223E0200X
Provider Legal NameDR. GARY MARK LAZAROFFCredential: DMD
Location Address257 WAYLAND AVENUEProvidence, RI 02906
Mailing Address257 Wayland AvenueProvidence, RI 02906 · (401) 272-1380 · Fax (401) 272-1387
Phone(401) 272-1380
Fax(401) 272-1387
Sole ProprietorNo
Enumeration DateApril 10, 2007
Last NPPES UpdateJuly 26, 2026
✔ NPI 1720101959 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · EndodonticsDental Providers
Taxonomy Code1223E0200X
License✔ Licensed in RI · 1815
Definition
The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.
257 WAYLAND AVENUE, Providence, RI 02906
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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 Gary Lazaroff's NPI number?

The NPI number for Gary Lazaroff is 1720101959. It was assigned to this individual provider in the NPPES registry on April 10, 2007.

Where is Gary Lazaroff located?

Gary Lazaroff practices at 257 Wayland Avenue, Providence, RI 02906. The listed phone number is (401) 272-1380.

What is Gary Lazaroff's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Endodontics, with taxonomy code 1223E0200X.

When was this NPI record last updated?

The NPPES record for Gary Lazaroff was last updated on July 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.