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

Margaret Oliverio

Individual provider Internal Medicine Physician · NPI 1740631233

Margaret Oliverio is an Internal Medicine Physician in Westborough, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2016.

Licensed in
MA
In the registry since
2016
Specialties on file
2

Practice location Address checks out

99 Fisher St
Westborough, MA 01581-3331
Phone: (617) 943-2227
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 277736 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 268059 (MA)

Record details

NPI number1740631233
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJune 25, 2016
Last updated in NPPESApril 25, 2022
Certification dateApril 25, 2022
Mailing address99 Fisher St, Westborough, MA 01581-3331

Other providers in Westborough