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

MS. Dina Grgas, MS, RD, CDN

Individual provider Registered Dietitian · NPI 1649409350

MS. Dina Grgas, MS, RD, CDN is a Registered Dietitian in Oyster Bay, New York. Licensed in New York. Registered with an NPI since 2009.

Licensed in
NY
In the registry since
2009
What do these letters mean?
MS — Master of Science
A graduate science degree.
RD — Registered Dietitian
A credentialed nutrition professional.

See every abbreviation used in this directory →

Practice location Address checks out

3 Anchorage Ln Unit 3B
Oyster Bay, NY 11771
Phone: (516) 922-0521
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 866187 (NY)

Record details

NPI number1649409350
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RD , CDN
Sole proprietorNo
NPI enumeratedJuly 2, 2009
Last updated in NPPESMay 7, 2015

Other providers in Oyster Bay