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

Erica Guenthner, MSN, APRN, FNP-BC

Individual provider Family Medicine Physician · NPI 1093356123

Erica Guenthner, MSN, APRN, FNP-BC is a Family Medicine Physician in Westborough, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2019.

Licensed in
MA
In the registry since
2019
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

See every abbreviation used in this directory →

Practice location Address checks out

24 Lyman St Ste 300
Westborough, MA 01581-1484
Phone: (508) 366-7100
Fax: (508) 366-7303
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence RN2289399 (MA)

Record details

NPI number1093356123
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , APRN , FNP-BC
Sole proprietorNo
NPI enumeratedSeptember 30, 2019
Last updated in NPPESSeptember 30, 2019

Other providers in Westborough