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

Individual provider Occupational Therapist · NPI 1871180067

Marissa Mastroianni, OTR is an Occupational Therapist in Gilbert, Arizona. Practices as a sole proprietor. Registered with an NPI since 2020.

In the registry since
2020
What do these letters mean?
OTR — Occupational Therapist, Registered
A nationally registered occupational therapist.

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Practice location Address checks out

3384 E Marlene Dr
Gilbert, AZ 85296-1863
Phone: (480) 734-5044
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X

Record details

NPI number1871180067
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR
Sole proprietorYes
NPI enumeratedDecember 22, 2020
Last updated in NPPESDecember 22, 2020
Certification dateDecember 22, 2020

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