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

Mrs. Mary Theresa Giammanco

Individual provider Specialist · NPI 1568890267

Mrs. Mary Theresa Giammanco is a Specialist in East Islip, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2013

Practice location Address checks out

87 Campbell Ln
East Islip, NY 11730-3617
Phone: (631) 835-6936
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 980594 (NY)

Record details

NPI number1568890267
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedOctober 16, 2013
Last updated in NPPESOctober 16, 2013

Other providers in East Islip