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
Mailing address111 Elm St, Suite 101, Worcester, MA 01609-1967

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