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

Dr. Marshall Lawrence Horwitz, DDS

Individual provider Dentist · NPI 1750374468

Dr. Marshall Lawrence Horwitz, DDS is a Dentist in Worcester, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2005.

Licensed in
MA
In the registry since
2005
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

111 Elm St Ste 101
Worcester, MA 01609-1967
Phone: (508) 799-4626
Fax: (508) 791-4288
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 13920 (MA)

Record details

NPI number1750374468
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedAugust 27, 2005
Last updated in NPPESJuly 13, 2026

Other providers in Worcester