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

Frieda Albertini Duffy, RN

Individual provider Psychiatric/Mental Health Clinical Nurse Specialist · NPI 1336787498

Frieda Albertini Duffy, RN is a Psychiatric/Mental Health Clinical Nurse Specialist in Marlborough, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2019
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

10 W Hill Rd
Marlborough, MA 01752-4590
Phone: (978) 808-8745
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Clinical Nurse Specialist (primary) Taxonomy 364SP0808X · Licence RN167040 (MA)

Record details

NPI number1336787498
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorYes
NPI enumeratedDecember 19, 2019
Last updated in NPPESJanuary 13, 2026
Certification dateJanuary 13, 2026
Mailing address10 W Hill Rd, Marlborough, MA 01752-4590