Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. Roger Elroy Warn, MS, RDN, CDE

Individual provider Registered Dietitian · NPI 1316230410

Mr. Roger Elroy Warn, MS, RDN, CDE is a Registered Dietitian in Dover, New Jersey. Practices as a sole proprietor. Registered with an NPI since 2011.

In the registry since
2011
What do these letters mean?
MS — Master of Science
A graduate science degree.
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.
CDE — Certified Diabetes Educator
Teaches people to manage diabetes day to day.

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Practice location Address checks out

18 Reservoir Ave
Dover, NJ 07801-4819
Phone: (201) 819-9217
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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 number1316230410
Entity typeIndividual (Type 1)
GenderMale
Credentials MS , RDN , CDE
Sole proprietorYes
NPI enumeratedMay 23, 2011
Last updated in NPPESJanuary 28, 2015

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