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

Mr. Leonard Joel Guedalia, PHD

Individual provider Psychologist · NPI 1720368590

Mr. Leonard Joel Guedalia, PHD is a Psychologist in Bethesda, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2011
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

4400 E West Hwy Ste 712
Bethesda, MD 20814-4524
Phone: (301) 907-8995
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 01512 (MD)

Record details

NPI number1720368590
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 24, 2011
Last updated in NPPESSeptember 27, 2011

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