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

Individual provider Registered Dietitian · NPI 1568756047

Diana Fischmann Orenstein, RD is a Registered Dietitian in Newton, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2011.

Licensed in
MA
In the registry since
2011
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

1137 Beacon St
Newton, MA 02461-1101
Phone: (617) 571-9872
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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 000003671 (MA)

Record details

NPI number1568756047
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorNo
NPI enumeratedJune 2, 2011
Last updated in NPPESOctober 21, 2014

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