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

Individual provider Psychologist · NPI 1861585895

Dr. Matthew B Wintersteen, PHD is a Psychologist in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

833 Chestnut St Ste 210
Philadelphia, PA 19107-4414
Phone: (215) 503-2824
Fax: (215) 923-8219
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS015700 (PA)

Record details

NPI number1861585895
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 2, 2006
Last updated in NPPESJuly 30, 2008

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