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

Mary Witnauer, RD, LD

Individual provider Registered Dietitian · NPI 1851119457

Mary Witnauer, RD, LD is a Registered Dietitian OR Nutrition Professional in Columbus, Ohio. Qualified in 2020, 6 years ago. Practices as a sole proprietor. Licensed in Ohio.

Years since qualifying
6
Licensed in
OH
In the registry since
2024
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
LD — Licensed Dietitian
A dietitian licensed by a state board.

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Practice location Address checks out

836 Thurber Dr W Apt 15
Columbus, OH 43215-1233
Phone: (716) 698-7456
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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 LD.09390 (OH)

Record details

NPI number1851119457
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LD
Sole proprietorYes
NPI enumeratedOctober 1, 2024
Last updated in NPPESOctober 1, 2024
Certification dateOctober 1, 2024
Mailing address836 Thurber Dr W Apt 15, Columbus, OH 43215-1233

Medicare enrollment

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

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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