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

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
Mailing address9750 Transit Rd, East Amherst, NY 14051-2124

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