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

Mr. Matthew Groff, LCSW

Individual provider Clinical Social Worker · NPI 1336578046

Mr. Matthew Groff, LCSW is a Clinical Social Worker in Williamsport, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2013.

Licensed in
PA
In the registry since
2013
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

1100 Grampian Blvd
Williamsport, PA 17701-1909
Phone: (570) 320-7525
Fax: (570) 320-7484
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence CW018791 (PA)
Mental Health Counselor Taxonomy 101YM0800X · Licence SW130518 (PA)

Record details

NPI number1336578046
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedNovember 3, 2013
Last updated in NPPESApril 1, 2021
Certification dateApril 1, 2021
Mailing address1201 Grampian Blvd, Williamsport, PA 17701-1900

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