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

Brianna Mullennix, MS, RDN

Individual provider Registered Dietitian · NPI 1639068760

Brianna Mullennix, MS, RDN is a Registered Dietitian in Washington, District of Columbia. Licensed in Virginia. Registered with an NPI since 2025.

Licensed in
VA
In the registry since
2025
What do these letters mean?
MS — Master of Science
A graduate science degree.
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

4545 42nd St NW Ste 307
Washington, DC 20016-4623
Phone: (202) 556-4435
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 86103297 (VA)

Record details

NPI number1639068760
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RDN
Sole proprietorNo
NPI enumeratedJuly 2, 2025
Last updated in NPPESJuly 2, 2025
Certification dateJuly 2, 2025

Other providers in Washington