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

Dr. Mark Jay Gang, PHD

Individual provider Psychologist · NPI 1588684427

Dr. Mark Jay Gang, PHD is a Psychologist in Fairfield, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

Licensed in
CT
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

2228 Black Rock Tpke Ste 310
Fairfield, CT 06825-3237
Phone: (203) 336-4264
Fax: (203) 336-4265
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 562 (CT)

Record details

NPI number1588684427
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 21, 2006
Last updated in NPPESJuly 8, 2007
Mailing address2228 Black Rock Tpke, Suite 310, Fairfield, CT 06825-3237

Other providers in Fairfield