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

Dr. William A McCollaum, PSYD

Individual provider Clinical Psychologist · NPI 1710199781

Dr. William A McCollaum, PSYD is a Clinical Psychologist in Doylestown, Pennsylvania. Graduated from Hahnemann University College of Medicine in 1989, 37 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
37
Trained at
Hahnemann University College of Medicine
Licensed in
PA
In the registry since
2007
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

275 S Main St Ste 2D Park Terrace
Doylestown, PA 18901-4815
Phone: (215) 345-5665
Fax: (215) 345-5700
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PS006008L (PA)

Record details

NPI number1710199781
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedMay 4, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolHAHNEMANN UNIVERSITY COLLEGE OF MEDICINE
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Doylestown