Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Eric Williamson, RD, PHD, CSSD, CSCS

Individual provider Registered Dietitian · NPI 1518733641

Eric Williamson, RD, PHD, CSSD, CSCS is a Registered Dietitian in Tucson, Arizona. Practices as a sole proprietor. Licensed in Arizona.

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

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Practice location Address checks out

7990 E Snyder Rd Apt 9106
Tucson, AZ 85750-9018
Phone: (647) 381-9220
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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 86242620 (AZ)

Record details

NPI number1518733641
Entity typeIndividual (Type 1)
GenderMale
Credentials RD , PHD , CSSD , CSCS
Sole proprietorYes
NPI enumeratedNovember 29, 2023
Last updated in NPPESNovember 29, 2023
Certification dateNovember 29, 2023

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