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

MS. Justine Marie Sliwka, MS

Individual provider Mental Health Counselor · NPI 1932384385

MS. Justine Marie Sliwka, MS is a Mental Health Counselor in Phila, Pennsylvania. Registered with an NPI since 2008.

In the registry since
2008
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

8220 Castor Ave
Phila, PA 19152-2729
Phone: (215) 728-4600
Fax: (267) 350-4887
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1932384385
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS
Sole proprietorNo
NPI enumeratedJanuary 4, 2008
Last updated in NPPESJanuary 4, 2008

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