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

Dr. Howard Jay Markowitz, PHD

Individual provider Clinical Psychologist · NPI 1609848993

Dr. Howard Jay Markowitz, PHD is a Clinical Psychologist in King of Prussia, 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.

See every abbreviation used in this directory →

Practice location Address checks out

491 Allendale Rd Ste 304
King of Prussia, PA 19406-1426
Phone: (610) 265-8394
Fax: (610) 265-8394
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PS002295L (PA)

Record details

NPI number1609848993
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedFebruary 2, 2006
Last updated in NPPESJuly 8, 2007
Mailing address6 Stirling Ct, Chesterbrook, PA 19087-5703

Other providers in King of Prussia