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

Dr. William Horvath, PHD

Individual provider Clinical Psychologist · NPI 1639375769

Dr. William Horvath, PHD is a Clinical Psychologist in Lockport, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
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

20 Market St 230 Bewley Bldg
Lockport, NY 14094-2914
Phone: (716) 625-9550
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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 010747 (NY)

Record details

NPI number1639375769
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 25, 2007
Last updated in NPPESJuly 28, 2007
Mailing address78 Olney Dr, Amherst, NY 14226-3345

Other providers in Lockport