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

Dr. Joel Howard Hammer, PHD

Individual provider Clinical Psychologist · NPI 1376575290

Dr. Joel Howard Hammer, PHD is a Clinical Psychologist in Walton, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
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.

See every abbreviation used in this directory →

Practice location Address checks out

1 Hospital Rd
Walton, NY 13856-1454
Phone: (607) 865-6522
Fax: (607) 865-7424
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 009956 (NY)

Record details

NPI number1376575290
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 7, 2006
Last updated in NPPESJuly 8, 2007
Mailing address194 Arbor Hill Ln, Delhi, NY 13753-2218

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