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

Dr. Melissa Matuszak, PHD

Individual provider Psychologist · NPI 1396482055

Dr. Melissa Matuszak, PHD is a Psychologist in Ontario, California. Licensed in California. Registered with an NPI since 2022.

Licensed in
CA
In the registry since
2022
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1011 N Begonia Ave Ste 1009
Ontario, CA 91762-2104
Phone: (800) 683-2945
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSB94026633 (CA)

Record details

NPI number1396482055
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedMay 15, 2022
Last updated in NPPESMay 15, 2022
Certification dateMay 15, 2022

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