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

Dr. Bruce A. Grellong, PHD

Individual provider Psychologist · NPI 1144316753

Dr. Bruce A. Grellong, PHD is a Psychologist in New York, 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

120 W 57th St
New York, NY 10019-3371
Phone: (212) 632-4666
Fax: (212) 584-8484
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 4702-1 (NY)

Record details

NPI number1144316753
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 4, 2006
Last updated in NPPESJuly 8, 2007

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