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

Mr. Mark Anthony Doublet, RD, CDE

Individual provider Registered Dietitian · NPI 1659814077

Mr. Mark Anthony Doublet, RD, CDE is a Registered Dietitian in Port Jefferson, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2016
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
CDE — Certified Diabetes Educator
Teaches people to manage diabetes day to day.

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Practice location Address checks out

75 N Country Rd
Port Jefferson, NY 11777-2119
Phone: (631) 686-2505
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 1005065 (NY)

Record details

NPI number1659814077
Entity typeIndividual (Type 1)
GenderMale
Credentials RD , CDE
Sole proprietorYes
NPI enumeratedDecember 3, 2016
Last updated in NPPESDecember 3, 2016

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