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

Antigone D. Kostas, MD

Individual provider Psychiatry Physician · NPI 1669612925

Antigone D. Kostas, MD is a Psychiatry Physician in Greenwich, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

Licensed in
CT
In the registry since
2009
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

75 Holly Hill Ln Ste 100
Greenwich, CT 06830-2917
Phone: (203) 622-1310
Fax: (203) 622-1311
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 049746 (CT)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence 049746 (CT)

Record details

NPI number1669612925
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 26, 2009
Last updated in NPPESMay 14, 2015
Mailing address75 Holly Hill Ln Ste 100, Greenwich, CT 06830-2917

Other providers in Greenwich