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

Individual provider Clinical Psychologist · NPI 1366632747

Dr. Lyssabeth Mattoon, PHD is a Clinical Psychologist in Merced, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

414 W 21st St
Merced, CA 95340-3718
Phone: (209) 720-2960
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY 25874 (CA)

Record details

NPI number1366632747
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 31, 2007
Last updated in NPPESNovember 16, 2018

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