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

Mrs. Courtney Marie Diener, RDN

Individual provider Registered Dietitian · NPI 1952016826

Mrs. Courtney Marie Diener, RDN is a Registered Dietitian in New Castle, Delaware. Licensed in Delaware. Registered with an NPI since 2023.

Licensed in
DE
In the registry since
2023
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

See every abbreviation used in this directory →

Practice location Address checks out

20 Yeates Dr
New Castle, DE 19720
Phone: (302) 521-3635
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence DN-0000638 (DE)

Record details

NPI number1952016826
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN
Sole proprietorNo
NPI enumeratedJanuary 16, 2023
Last updated in NPPESOctober 24, 2023
Certification dateOctober 24, 2023

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