Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Robert Marc Grassi, DMD

Individual provider General Practice Dentistry · NPI 1902405202

Robert Marc Grassi, DMD is a General Practice Dentistry in Winchester, Massachusetts. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2020
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

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Practice location Address checks out

18 Sussex Rd
Winchester, MA 01890-3849
Phone: (339) 208-1177
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 105708 (CA)

Record details

NPI number1902405202
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedOctober 19, 2020
Last updated in NPPESOctober 19, 2020
Certification dateOctober 19, 2020
Mailing address18 Sussex Rd, Winchester, MA 01890-3849

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