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

Mary Madeleine Sprague, RD

Individual provider Registered Dietitian · NPI 1356613723

Mary Madeleine Sprague, RD is a Registered Dietitian in Corvallis, Oregon. Licensed in Oregon. Registered with an NPI since 2012.

Licensed in
OR
In the registry since
2012
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

See every abbreviation used in this directory →

Practice location Address checks out

3600 NW Samaritan Dr
Corvallis, OR 97330-3737
Phone: (541) 768-6221
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence LD-D-000339 (OR)

Record details

NPI number1356613723
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorNo
NPI enumeratedFebruary 1, 2012
Last updated in NPPESFebruary 1, 2012

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