1. Home
  2. Directory
  3. Massachusetts
  4. Winchester
  5. Dentist
  6. NPI Profile

ROBERT MARC GRASSI DMD
NPI 1902405202
Dentist - General Practice in Winchester, MA

Active since October 19, 2020
18 SUSSEX RD, WINCHESTER, MA 01890(339) 208-1177 Get Directions Write a Review

NPPES record last updated: October 19, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Robert Marc Grassi Dmd NPPES

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

ROBERT MARC GRASSI DMD (NPI 1902405202) is an individual general practice provider in Winchester, Massachusetts, licensed in California (105708) and active in the NPI registry since October 2020.

NPPES Registry Identity

NPI1902405202
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameROBERT MARC GRASSICredential: DMD
Location Address18 SUSSEX RDWinchester, MA 01890-3849
Mailing Address18 Sussex RdWinchester, MA 01890-3849 · (339) 208-1177
Phone(339) 208-1177
Sole ProprietorYes
Enumeration DateOctober 19, 2020
NPPES CertifiedOctober 19, 2020
✔ NPI 1902405202 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in CA · 105708
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.
18 SUSSEX RD, Winchester, MA 01890
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, BEST Life, Blue Cross and Blue Shield of Montana 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 Robert Grassi's NPI number?

The NPI number for Robert Grassi is 1902405202. It was assigned to this individual provider in the NPPES registry on October 19, 2020.

Where is Robert Grassi located?

Robert Grassi practices at 18 Sussex Rd, Winchester, MA 01890. The listed phone number is (339) 208-1177.

What is Robert Grassi's specialty?

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

What insurance does Robert Grassi accept?

Health plans from Anthem Blue Cross and Blue Sheld, 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 5 other insurers list Robert Grassi 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 Robert Grassi was last updated on October 19, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.