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

John R. Klindienst Ph D. Clinical Psychologist PC

Organization Clinical Psychologist · NPI 1821242876

John R. Klindienst Ph D. Clinical Psychologist PC is a Clinical Psychologist in Riverhead, New York. Licensed in New York. Registered with an NPI since 2008.

Licensed in
NY
In the registry since
2008
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

223 Roanoke Ave
Riverhead, NY 11901
Phone: (631) 727-1563
Fax: (361) 369-9423
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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 007012 (NY)

Record details

NPI number1821242876
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Klindienst — President · (631) 727-1563
NPI enumeratedNovember 4, 2008
Last updated in NPPESNovember 4, 2008
Mailing address223 Roanoke Ave, Riverhead, NY 11901-2778

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