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

Dr. William Nicholas Collins, PHD

Individual provider Clinical Psychologist · NPI 1356554265

Dr. William Nicholas Collins, PHD is a Clinical Psychologist in Severna Park, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2007
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

5 Cedar Point Rd
Severna Park, MD 21146
Phone: (410) 384-1682
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 931 (MD)

Record details

NPI number1356554265
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 7, 2007
Last updated in NPPESJuly 8, 2007
Mailing addressPost Office Box 855, Millersville, MD 21108-0855

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