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

Dr. Peter John Cornish, PHD

Individual provider Clinical Psychologist · NPI 1669505590

Dr. Peter John Cornish, PHD is a Clinical Psychologist in Niskayuna, 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

2310 Nott St E C/o Assoc In Mental Health And Neuropsychology
Niskayuna, NY 12309-4303
Phone: (518) 505-1961
Fax: (518) 694-7348
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 011941 (NY)

Record details

NPI number1669505590
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 13, 2007
Last updated in NPPESApril 24, 2009
Mailing address1367 Valencia Rd, Niskayuna, NY 12309-5331

Other providers in Niskayuna