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

Shelbylyn Messier

Individual provider Behavior Analyst · NPI 1407444219

Shelbylyn Messier is a Behavior Analyst in Oceanside, California. Practices as a sole proprietor. Registered with an NPI since 2021.

In the registry since
2021

Practice location Address checks out

3355 Mission Ave Ste 221
Oceanside, CA 92058-1328
Phone: (951) 813-4034
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X

Record details

NPI number1407444219
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJanuary 7, 2021
Last updated in NPPESJanuary 7, 2021
Certification dateDecember 31, 2020
Mailing address3355 Mission Ave Ste 221, Oceanside, CA 92058-1328

Other providers in Oceanside