Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Susan O'Brien, MS, RD, LDN

Individual provider Registered Dietitian · NPI 1295028322

Susan O'Brien, MS, RD, LDN is a Registered Dietitian in Tewksbury, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2011.

Licensed in
MA
In the registry since
2011
What do these letters mean?
MS — Master of Science
A graduate science degree.
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

365 E St
Tewksbury, MA 01876-1950
Phone: (978) 851-7321
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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 2225 (MA)

Record details

NPI number1295028322
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RD , LDN
Sole proprietorNo
NPI enumeratedMay 23, 2011
Last updated in NPPESMay 23, 2011

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