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

Fiona McKiernan, MS, RDN, CSG

Individual provider Registered Dietitian · NPI 1104357185

Fiona McKiernan, MS, RDN, CSG is a Registered Dietitian in Santa Maria, California. Practices as a sole proprietor. Registered with an NPI since 2017.

In the registry since
2017
What do these letters mean?
MS — Master of Science
A graduate science degree.
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

See every abbreviation used in this directory →

Practice location Address checks out

1505 Shepard Dr Ste 204
Santa Maria, CA 93454-7016
Phone: (805) 621-7302
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 997655

Record details

NPI number1104357185
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RDN , CSG
Sole proprietorYes
NPI enumeratedMarch 22, 2017
Last updated in NPPESMarch 22, 2017

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