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

Dr. William Picker, PHD

Individual provider Clinical Psychologist · NPI 1245260405

Dr. William Picker, PHD is a Clinical Psychologist in Sleepy Hollow, New York. Qualified in 1984, 42 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New York.

Years since qualifying
42
Licensed in
NY
In the registry since
2006
Specialties on file
2
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

245 N Broadway
Sleepy Hollow, NY 10591-2670
Phone: (914) 524-0042
Fax: (914) 244-3494
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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 8832 (NY)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 8832 (NY)

Record details

NPI number1245260405
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 4, 2006
Last updated in NPPESAugust 3, 2008
Mailing address245 N Broadway, Sleepy Hollow, NY 10591-2670

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Sleepy Hollow