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

Stephen E. Tosi, MD

Individual provider Surgery Physician · NPI 1558334045

Stephen E. Tosi, MD is a Surgery Physician in Worcester, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

291 Lincoln St Ste 201
Worcester, MA 01605-3643
Phone: (508) 755-8663
Fax: (508) 753-4731
Show map & directions

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

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 40210 (MA)
Surgery Physician Taxonomy 208600000X · Licence 40210 (MA)

Record details

NPI number1558334045
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 7, 2006
Last updated in NPPESOctober 27, 2020
Certification dateOctober 27, 2020
Mailing addressPo Box 415348, Boston, MA 02241-5348

Other providers in Worcester