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

Mrs. Maryann Felicia Massillio, MPS, RDN, CDN, FAND

Individual provider Nutritionist · NPI 1750874079

Mrs. Maryann Felicia Massillio, MPS, RDN, CDN, FAND is a Nutritionist in Middletown, New York. Registered with an NPI since 2018.

In the registry since
2018
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

See every abbreviation used in this directory →

Practice location Address checks out

75 Crystal Run Rd Ste 201
Middletown, NY 10941-7010
Phone: (845) 692-4391
Show map & directions

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

Specialties & licences

Nutritionist (primary) Taxonomy 133N00000X

Record details

NPI number1750874079
Entity typeIndividual (Type 1)
GenderFemale
Credentials MPS , RDN , CDN , FAND
Sole proprietorNo
NPI enumeratedJune 11, 2018
Last updated in NPPESJune 11, 2018

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