Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MS. CYNTHIA PAYSON HARTDEGEN MSW
NPI 1356336333
Social Worker - Clinical in Westfield, MA

Active since September 15, 2005
30 DAY AVE, WESTFIELD, MA 01085(413) 562-2626(413) 572-9068 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Cynthia Payson Hartdegen Msw NPPES

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

MS. CYNTHIA PAYSON HARTDEGEN MSW (NPI 1356336333) is an individual clinical provider in Westfield, Massachusetts, licensed in Massachusetts (102516) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1356336333
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. CYNTHIA PAYSON HARTDEGENCredential: MSW
Location Address30 DAY AVEWestfield, MA 01085-3716
Mailing Address30 Day AveWestfield, MA 01085-3716 · (413) 562-2626 · Fax (413) 572-9068
Fax(413) 572-9068
Sole ProprietorNo
Enumeration DateSeptember 15, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1356336333 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in MA · 102516
Definition

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

30 DAY AVE, Westfield, MA 01085

Other Identifiers 3

Other12917MA · Health New England
Other776686MA · Tufts Health Plan
OtherP01501MA · Bluecross/blue Shield

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 Cynthia Hartdegen's NPI number?

The NPI number for Cynthia Hartdegen is 1356336333. It was assigned to this individual provider in the NPPES registry on September 15, 2005.

Where is Cynthia Hartdegen located?

Cynthia Hartdegen practices at 30 Day Ave, Westfield, MA 01085. The listed phone number is (413) 562-2626.

What is Cynthia Hartdegen's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Cynthia Hartdegen was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.