DR. MARC SCOTT FENSTER D.M.D.
NPI 1821317223
Dentist - General Practice in Smithtown, NY

Q: What is Marc Fenster's NPI number?

The NPI number for Marc Fenster is 1821317223. It was assigned to this individual provider in the NPPES registry on May 25, 2010.

Q: What is Marc Fenster's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Marc Fenster was last updated on May 25, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since May 25, 2010

50 ROUTE 111 STE 212, SMITHTOWN, NY 11787(631) 724-6960(631) 724-6886 Get Directions Write a Review

NPPES record last updated: May 25, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Marc Scott Fenster D.m.d. NPPES

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

DR. MARC SCOTT FENSTER D.M.D. (NPI 1821317223) is an individual general practice provider in Smithtown, New York, licensed in New York (047688) and active in the NPI registry since May 2010.

NPPES Registry Identity

NPI1821317223

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. MARC SCOTT FENSTERCredential: D.M.D.

Location Address50 ROUTE 111 STE 212Smithtown, NY 11787-3700

Mailing Address50 Route 111 Ste 212Smithtown, NY 11787-3700 · (631) 724-6960 · Fax (631) 724-6886

Phone(631) 724-6960

Fax(631) 724-6886

Sole ProprietorYes

Enumeration DateMay 25, 2010

✔ NPI 1821317223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in NY · 047688

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.

50 ROUTE 111 STE 212, Smithtown, NY 11787

Open in Google Maps ↗

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 and more.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 Marc Fenster's NPI number?

The NPI number for Marc Fenster is 1821317223. It was assigned to this individual provider in the NPPES registry on May 25, 2010.

Where is Marc Fenster located?

Marc Fenster practices at 50 Route 111 Ste 212, Smithtown, NY 11787. The listed phone number is (631) 724-6960.

What is Marc Fenster's specialty?

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

What insurance does Marc Fenster accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Humana list Marc Fenster 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 Marc Fenster was last updated on May 25, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.