Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Carolyn Joanne Ontiveros Hanohano, PHD, PMHNP-BC, APRN

Individual provider Psychiatric/Mental Health Registered Nurse · NPI 1760659643

Dr. Carolyn Joanne Ontiveros Hanohano, PHD, PMHNP-BC, APRN is a Psychiatric/Mental Health Registered Nurse in Ventura, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
Specialties on file
3
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

See every abbreviation used in this directory →

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Practice location Address checks out

800 S Victoria Ave # 4615
Ventura, CA 93009-1647
Phone: (805) 766-0883
Fax: (805) 339-1128
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 95030733 (CA)
Psychiatric/Mental Health Registered Nurse Taxonomy 163WP0808X · Licence 576785 (CA)
Case Manager/Care Coordinator Taxonomy 171M00000X · Licence 576785 (CA)

Record details

NPI number1760659643
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , PMHNP-BC , APRN
Sole proprietorYes
NPI enumeratedMay 10, 2008
Last updated in NPPESAugust 9, 2024
Certification dateAugust 9, 2024

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