Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Sarah B Mattern, MSW, LCSW, BCBA

Individual provider Clinical Social Worker · NPI 1831332584

Sarah B Mattern, MSW, LCSW, BCBA is a Clinical Social Worker in Lancaster, Pennsylvania. Qualified in 2007, 19 years ago. Practices with Philhaven, a 91-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
19
Licensed in
PA
In the registry since
2009
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.
BCBA — Board Certified Behavior Analyst
Designs and supervises applied behaviour analysis programmes, often for autism.

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Practice location Address checks out

1886 Rohrerstown Rd
Lancaster, PA 17601-2322
Phone: (717) 735-1920
Fax: (717) 735-1921
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence CW016455 (PA)

Record details

NPI number1831332584
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW , BCBA
Sole proprietorNo
NPI enumeratedApril 10, 2009
Last updated in NPPESSeptember 27, 2022
Certification dateSeptember 27, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Philhaven — 91 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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