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

Dr. William H Clark, PHD

Individual provider Psychologist · NPI 1366464364

Dr. William H Clark, PHD is a Clinical Psychologist in Ridgewood, New Jersey. Qualified in 1972, 54 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
54
Licensed in
NJ
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

530 N Maple Ave
Ridgewood, NJ 07450-1610
Phone: (201) 689-8293
Fax: (201) 689-8293
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 35SI00115900 (NJ)

Record details

NPI number1366464364
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 25, 2006
Last updated in NPPESJuly 8, 2007
Mailing address311 Kenilworth Rd, Ridgewood, NJ 07450-5201

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1972 (54 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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