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

MS. Mary K Riner, RD

Individual provider Registered Dietitian · NPI 1316137227

MS. Mary K Riner, RD is a Registered Dietitian OR Nutrition Professional in Saint Louis, Missouri. Graduated from Saint Louis University School of Medicine in 2008, 18 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
18
Trained at
Saint Louis University School of Medicine
Licensed in
MO
In the registry since
2007
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

4950 Childrens Pl Div Im Nephrology
Saint Louis, MO 63110-1000
Phone: (314) 362-7209
Fax: (314) 362-7232
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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 2007000891 (MO)

Record details

NPI number1316137227
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorNo
NPI enumeratedJuly 26, 2007
Last updated in NPPESApril 17, 2025
Certification dateJuly 29, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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