Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Miss. Mary Madison Arnold, RD, LDN, CDE

Individual provider Registered Dietitian · NPI 1407223266

Miss. Mary Madison Arnold, RD, LDN, CDE is a Registered Dietitian in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2015.

Licensed in
WA
In the registry since
2015
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.
CDE — Certified Diabetes Educator
Teaches people to manage diabetes day to day.

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Practice location Address checks out

4400 37th Ave S
Seattle, WA 98118-1609
Phone: (206) 461-6957
Fax: (206) 461-7810
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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 DI60909708 (WA)

Record details

NPI number1407223266
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LDN , CDE
Sole proprietorNo
NPI enumeratedAugust 27, 2015
Last updated in NPPESMarch 26, 2019

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