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

Individual provider Registered Dietitian · NPI 1396824793

Mary Catherine Proietta, RD, LDN is registered under Registered Dietitian OR Nutrition Professional in East Providence, Rhode Island. Graduated from New York University School of Medicine in 1987, 39 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Rhode Island.

Years since qualifying
39
Trained at
New York University School of Medicine
Licensed in
RI
In the registry since
2006
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

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Practice location Address checks out

610 Waterman Ave
East Providence, RI 02914-2427 Not confirmed with CMS for 19 years — call before visiting
Phone: (401) 435-7800
Fax: (401) 254-0984
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence LDN00224 (RI)

Record details

NPI number1396824793
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LDN
Sole proprietorYes
NPI enumeratedNovember 4, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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