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

Joshua Dieterman, PMHNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1760234892

Joshua Dieterman, PMHNP is a Psychiatric/Mental Health Nurse Practitioner in Fullerton, California. Licensed in California. Registered with an NPI since 2024.

Licensed in
CA
In the registry since
2024
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

See every abbreviation used in this directory →

Practice location Address checks out

321 E Chapman Ave
Fullerton, CA 92832-2011
Phone: (714) 992-7093
Fax: (714) 992-9923
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 95135839 (CA)

Record details

NPI number1760234892
Entity typeIndividual (Type 1)
GenderMale
Credentials PMHNP
Sole proprietorNo
NPI enumeratedApril 2, 2024
Last updated in NPPESApril 24, 2026
Certification dateApril 24, 2026

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