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

Individual provider Psychologist · NPI 1821090648

Dr. Warren D Keller, PHD is a Psychologist in Williamsville, New York. Licensed in New York. Registered with an NPI since 2005.

Licensed in
NY
In the registry since
2005
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

8175 Sheridan Dr Ste 200
Williamsville, NY 14221-6002
Phone: (716) 634-2600
Fax: (716) 634-2675
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 07489 (NY)

Record details

NPI number1821090648
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 11, 2005
Last updated in NPPESJuly 13, 2026

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