MS. DIANE GUARDIANI PMHNP (APRN)
NPI 1316957285
Nurse Practitioner - Psychiatric/Mental Health in Madison, CT

Active since August 09, 2006
175 COPSE RD, MADISON, CT 06443(203) 245-2778(203) 245-8603 Get Directions Write a Review

NPPES record last updated: September 22, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Diane Guardiani Pmhnp (aprn) NPPES

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

MS. DIANE GUARDIANI PMHNP (APRN) (NPI 1316957285) is an individual psychiatric/mental health provider in Madison, Connecticut, licensed in Connecticut (2409) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1316957285
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMS. DIANE GUARDIANICredential: PMHNP (APRN)
Location Address175 COPSE RDMadison, CT 06443-2323
Mailing Address175 Copse RdMadison, CT 06443-2323 · (860) 908-9894 · Fax (203) 245-8603
Fax(203) 245-8603
Sole ProprietorNo
Enumeration DateAugust 9, 2006
Last NPPES UpdateSeptember 22, 2025
NPPES CertifiedSeptember 22, 2025
NPI 1316957285 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in CT · 2409
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 002409 (CT)
175 COPSE RD, Madison, CT 06443

Other Identifiers 2

Medicaid1316957285CT
Medicaid1316957285RI

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Marriage & Family Therapist
175 COPSE RD
MADISON, CT 06443
Nurse Practitioner (Psychiatric/Mental Health)
175 COPSE RD
MADISON, CT 06443
Psychologist (Clinical)
175 COPSE RD
MADISON, CT 06443
Counselor (Mental Health)
175 COPSE RD
MADISON, CT 06443
Counselor (Professional)
175 COPSE RD
MADISON, CT 06443
Counselor (Professional)
175 COPSE RD
MADISON, CT 06443
Psychologist (Clinical)
175 COPSE RD
MADISON, CT 06443
Residential Treatment Facility, Emotionally Disturbed Children
175 COPSE RD
MADISON, CT 06443

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 Diane Guardiani's NPI number?

The NPI number for Diane Guardiani is 1316957285. It was assigned to this individual provider in the NPPES registry on August 9, 2006.

Where is Diane Guardiani located?

Diane Guardiani practices at 175 Copse Rd, Madison, CT 06443. The listed phone number is (203) 245-2778.

What is Diane Guardiani's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Diane Guardiani was last updated on September 22, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.