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

Mary Jean Hayes, RD, LDN

Individual provider Registered Dietitian · NPI 1851116271

Mary Jean Hayes, RD, LDN is a Registered Dietitian in Pittsfield, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2024.

Licensed in
MA
In the registry since
2024
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

510 N St Ste 6
Pittsfield, MA 01201-5493
Phone: (413) 445-9243
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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 LDN7877 (MA)

Record details

NPI number1851116271
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LDN
Sole proprietorNo
NPI enumeratedNovember 20, 2024
Last updated in NPPESNovember 20, 2024
Certification dateNovember 20, 2024

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