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

Catherine A Gruenfelder

Individual provider Registered Dietitian · NPI 1003765363

Catherine A Gruenfelder is a Registered Dietitian OR Nutrition Professional in Denville, New Jersey. Qualified in 2014, 12 years ago. Licensed in New Jersey.

Years since qualifying
12
Licensed in
NJ
In the registry since
2026

Practice location Address checks out

25 Pocono Rd
Denville, NJ 07834-2954
Phone: (973) 625-7009
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 1057367 (NJ)

Record details

NPI number1003765363
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJanuary 28, 2026
Last updated in NPPESJanuary 28, 2026
Certification dateJanuary 28, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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