Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARY FELLIN LCSW
NPI 1780648154
Social Worker - Clinical in Wilkes Barre, PA

Active since April 13, 2006
33 E NORTHAMPTON ST, WILKES BARRE, PA 18701(570) 829-3489(570) 829-7781 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mary Fellin Lcsw NPPES

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

MARY FELLIN LCSW (NPI 1780648154) is an individual clinical provider in Wilkes Barre, Pennsylvania, licensed in Pennsylvania (CW012549) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1780648154
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARY FELLINCredential: LCSW
Location Address33 E NORTHAMPTON STWilkes Barre, PA 18701-2406
Mailing Address33 E Northampton StWilkes Barre, PA 18701-2406 · (570) 829-3489 · Fax (570) 829-7781
Fax(570) 829-7781
Sole ProprietorNo
Enumeration DateApril 13, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1780648154 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 PA · CW012549
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.
33 E NORTHAMPTON ST, Wilkes Barre, PA 18701

Other Identifiers 2

Other70381PA · Geisinger Health Plan
Other2102769PA · Cigna Behavioral Health

Other Providers at the Same Location NPPES 14

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

Counselor (Addiction (Substance Use Disorder))
33 E NORTHAMPTON ST
WILKES BARRE, PA 18701
Community/Behavioral Health
33 E NORTHAMPTON ST
WILKES BARRE, PA 18701
Counselor (Addiction (Substance Use Disorder))
33 E NORTHAMPTON ST
WILKES BARRE, PA 18701
Counselor (Addiction (Substance Use Disorder))
33 E NORTHAMPTON ST
WILKES BARRE, PA 18701
Case Management
33 E NORTHAMPTON ST
WILKES BARRE, PA 18701
Counselor (Addiction (Substance Use Disorder))
33 E NORTHAMPTON ST
WILKES BARRE, PA 18701
Social Worker (Clinical)
33 E NORTHAMPTON ST
WILKES BARRE, PA 18701
Social Worker (Clinical)
33 E NORTHAMPTON ST
WILKES BARRE, PA 18701

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 Mary Fellin's NPI number?

The NPI number for Mary Fellin is 1780648154. It was assigned to this individual provider in the NPPES registry on April 13, 2006.

Where is Mary Fellin located?

Mary Fellin practices at 33 E Northampton St, Wilkes Barre, PA 18701. The listed phone number is (570) 829-3489.

What is Mary Fellin'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 Mary Fellin was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.