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

Mattie Siefer, RD, LD

Individual provider Registered Dietitian · NPI 1346032711

Mattie Siefer, RD, LD is a Registered Dietitian in Hamilton, Ohio. Licensed in Ohio. Registered with an NPI since 2025.

Licensed in
OH
In the registry since
2025
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

1135 Millville Ave
Hamilton, OH 45013-3938
Phone: (513) 291-2189
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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.10260 (OH)

Record details

NPI number1346032711
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LD
Sole proprietorNo
NPI enumeratedMay 20, 2025
Last updated in NPPESMay 20, 2025
Certification dateMay 20, 2025

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