Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Katrina D Castle, MS, RD

Individual provider Registered Dietitian · NPI 1336101203

Katrina D Castle, MS, RD is a Registered Dietitian in Newport Beach, California. Practices as a sole proprietor. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
MS — Master of Science
A graduate science degree.
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

2416 Naples
Newport Beach, CA 92660-3261
Phone: (405) 401-1774
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X

Record details

NPI number1336101203
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RD
Sole proprietorYes
NPI enumeratedApril 5, 2006
Last updated in NPPESFebruary 24, 2026
Certification dateFebruary 24, 2026
Mailing address2416 Naples, Newport Beach, CA 92660-3261

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