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

Individual provider Nutritionist · NPI 1477201820

Catherine Joy Diehl, MS, CNS is a Nutritionist in Trumbull, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

Licensed in
CT
In the registry since
2022
What do these letters mean?
MS — Master of Science
A graduate science degree.
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.

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Practice location Address checks out

98 Woolsley Ave
Trumbull, CT 06611-4460
Phone: (203) 858-4615
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nutritionist (primary) Taxonomy 133N00000X · Licence CNS18138 (CT)

Record details

NPI number1477201820
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CNS
Sole proprietorYes
NPI enumeratedMarch 15, 2022
Last updated in NPPESMarch 15, 2022
Certification dateMarch 15, 2022

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