FRIEDA ALBERTINI DUFFY RN
NPI 1336787498
Clinical Nurse Specialist - Psychiatric/Mental Health in Marlborough, MA

Q: What is Frieda Duffy's NPI number?

The NPI number for Frieda Duffy is 1336787498. It was assigned to this individual provider in the NPPES registry on December 19, 2019.

Q: What is Frieda Duffy's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Psychiatric/Mental Health, with taxonomy code 364SP0808X.

Q: When was this NPI record last updated?

The NPPES record for Frieda Duffy was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 19, 2019

10 W HILL RD, MARLBOROUGH, MA 01752(978) 808-8745 Get Directions Write a Review

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 13, 2026, Dec 19, 2019 (2 updates tracked since 2019).

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About Frieda Albertini Duffy Rn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

FRIEDA ALBERTINI DUFFY RN (NPI 1336787498) is an individual psychiatric/mental health provider in Marlborough, Massachusetts, licensed in Massachusetts (RN167040) and active in the NPI registry since December 2019.

NPPES Registry Identity

NPI1336787498

Entity TypeIndividualFemale

Primary Taxonomy364SP0808X

Provider Legal NameFRIEDA ALBERTINI DUFFYCredential: RN

Location Address10 W HILL RDMarlborough, MA 01752-4590

Mailing Address10 W Hill RdMarlborough, MA 01752-4590 · (978) 808-8745

Phone(978) 808-8745

Sole ProprietorYes

Enumeration DateDecember 19, 2019

Last NPPES UpdateJanuary 13, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 13, 2026

✔ NPI 1336787498 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical Nurse Specialist · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code364SP0808X

License✔ Licensed in MA · RN167040

10 W HILL RD, Marlborough, MA 01752

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Frieda Duffy's NPI number?

The NPI number for Frieda Duffy is 1336787498. It was assigned to this individual provider in the NPPES registry on December 19, 2019.

Where is Frieda Duffy located?

Frieda Duffy practices at 10 W Hill Rd, Marlborough, MA 01752. The listed phone number is (978) 808-8745.

What is Frieda Duffy's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Psychiatric/Mental Health, with taxonomy code 364SP0808X.

When was this NPI record last updated?

The NPPES record for Frieda Duffy was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.