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

Mr. William G. Letwinsky, MSW, LSW

Individual provider Mental Health Counselor · NPI 1376689190

Mr. William G. Letwinsky, MSW, LSW is a Mental Health Counselor in Scranton, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2007.

Licensed in
PA
In the registry since
2007
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
LSW — Licensed Social Worker
A state-licensed social worker.

See every abbreviation used in this directory →

Practice location Address checks out

700 Quincy Ave Moses Taylor Hospital Worklife And Counseling
Scranton, PA 18510-1724
Phone: (570) 340-2147
Fax: (570) 340-2150
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence SW000405E (PA)

Record details

NPI number1376689190
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW , LSW
Sole proprietorNo
NPI enumeratedJanuary 29, 2007
Last updated in NPPESJuly 8, 2007

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