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

Mary Wissmann, MS, RD, LD

Individual provider Registered Dietitian · NPI 1184255002

Mary Wissmann, MS, RD, LD is a Registered Dietitian in Clayton, Missouri. Licensed in Missouri. Registered with an NPI since 2020.

Licensed in
MO
In the registry since
2020
What do these letters mean?
MS — Master of Science
A graduate science degree.
RD — Registered Dietitian
A credentialed nutrition professional.
LD — Licensed Dietitian
A dietitian licensed by a state board.

See every abbreviation used in this directory →

Practice location Address checks out

230 S Bemiston Ave Ste 430
Clayton, MO 63105-1907
Phone: (314) 874-3251
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 2007000392 (MO)

Record details

NPI number1184255002
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RD , LD
Sole proprietorNo
NPI enumeratedJanuary 29, 2020
Last updated in NPPESJanuary 29, 2020
Certification dateJanuary 29, 2020

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