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

Marissa S Marchioni, OT

Individual provider Occupational Therapist · NPI 1538561451

Marissa S Marchioni, OT is an Occupational Therapist in Los Angeles, California. Licensed in California. Registered with an NPI since 2014.

Licensed in
CA
In the registry since
2014
What do these letters mean?
OT — Occupational Therapist
Helps people regain the skills needed for daily living and work.

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Practice location Address checks out

1640 Marengo St Ste 500
Los Angeles, CA 90033-1036
Phone: (323) 442-3340
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence OT17149 (CA)

Record details

NPI number1538561451
Entity typeIndividual (Type 1)
GenderFemale
Credentials OT
Sole proprietorNo
NPI enumeratedSeptember 23, 2014
Last updated in NPPESNovember 27, 2023
Certification dateNovember 2, 2020

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