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

Mariah A. Wittenberg, RD

Individual provider Registered Dietitian · NPI 1114689874

Mariah A. Wittenberg, RD is a Registered Dietitian in LA Crosse, Wisconsin. Licensed in Iowa and Wisconsin. Registered with an NPI since 2021.

Licensed in
IA, WI
In the registry since
2021
Specialties on file
2
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

See every abbreviation used in this directory →

Practice location Address checks out

1836 S Ave
LA Crosse, WI 54601-5429
Phone: (608) 782-7300
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 3762 (WI)
Registered Dietitian Taxonomy 133V00000X · Licence 110763 (IA)

Record details

NPI number1114689874
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorNo
NPI enumeratedOctober 11, 2021
Last updated in NPPESNovember 24, 2021
Certification dateNovember 24, 2021
Mailing address1836 South Ave, La Crosse, WI 54601-5429

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