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

Dr. Mary Joy Kolb, PHD

Individual provider Behavior Analyst · NPI 1013245901

Dr. Mary Joy Kolb, PHD is a Behavior Analyst in Gaithersburg, Maryland. Licensed in Maryland. Registered with an NPI since 2009.

Licensed in
MD
In the registry since
2009
Specialties on file
2
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

220 Main St 2nd Fl
Gaithersburg, MD 20878-5471
Phone: (240) 252-4105
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cognitive & Behavioral Psychologist (primary) Taxonomy 103TB0200X · Licence 04764 (MD)
Behavior Analyst Taxonomy 103K00000X · Licence 1-07-3578

Record details

NPI number1013245901
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedDecember 3, 2009
Last updated in NPPESJuly 12, 2011
Mailing address220 Main St, 2nd Floor, Gaithersburg, MD 20878-5471

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