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

Mary Phelps, MS, CNS

Individual provider Nutritionist · NPI 1881247633

Mary Phelps, MS, CNS is a Nutritionist in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia.

Licensed in
DC
In the registry since
2019
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

1236 Pennsylvania Ave SE
Washington, DC 20003-2226
Phone: (609) 477-3050
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nutritionist (primary) Taxonomy 133N00000X · Licence NU10000021 (DC)

Record details

NPI number1881247633
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CNS
Sole proprietorYes
NPI enumeratedJuly 22, 2019
Last updated in NPPESJuly 22, 2019

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