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

Mrs. Alyssa Tirone, RD, LDN

Individual provider Registered Dietitian · NPI 1144021080

Mrs. Alyssa Tirone, RD, LDN is a Registered Dietitian in O Fallon, Missouri. Practices as a sole proprietor. Licensed in Illinois and Missouri.

Licensed in
IL, MO
In the registry since
2025
Specialties on file
2
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

See every abbreviation used in this directory →

Practice location Address checks out

250 Sarah Dr
O Fallon, MO 63366-1228
Phone: (504) 265-2110
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 164.007006 (IL)
Registered Dietitian Taxonomy 133V00000X · Licence 2019012152 (MO)

Record details

NPI number1144021080
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LDN
Sole proprietorYes
NPI enumeratedMarch 24, 2025
Last updated in NPPESMarch 24, 2025
Certification dateMarch 24, 2025

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