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

Melissa Derrick, RN, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1427407832

Melissa Derrick, RN, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner in Ione, California. Licensed in California. Registered with an NPI since 2016.

Licensed in
CA
In the registry since
2016
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

4001 Highway 104
Ione, CA 95640
Phone: (805) 206-5510
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 23576 (CA)

Record details

NPI number1427407832
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , PMHNP-BC
Sole proprietorNo
NPI enumeratedJune 7, 2016
Last updated in NPPESJune 7, 2016