Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Natalie Marie Masis, PHD, MS, RD

Individual provider Registered Dietitian · NPI 1457040719

Dr. Natalie Marie Masis, PHD, MS, RD is a Registered Dietitian in Horsham, Pennsylvania. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2023
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
MS — Master of Science
A graduate science degree.
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

800 Ridgeview Dr
Horsham, PA 19044-3607
Phone: (650) 808-0677
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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 86093146 (CA)

Record details

NPI number1457040719
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , MS , RD
Sole proprietorYes
NPI enumeratedMay 3, 2023
Last updated in NPPESMay 3, 2023
Certification dateMay 3, 2023

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