Clinical
reasoning
Connect diagnostic criteria to the person: formulation, evidence, and treatment decisions.
Clinician education · January 2027
A six-month educational experience for psychiatric nurse practitioners.
For clinicians · Two separate pathways
Practicing with Limmera does not require Castalia, and Castalia does not require practicing with Limmera.
The curriculum
Connect diagnostic criteria to the person: formulation, evidence, and treatment decisions.
Understand the insurance, access, and organizational systems surrounding clinical practice.
Examine emerging tools with informed, accountable judgment. Know when human review is essential.
The experience
Six months of facilitated online discussion, clinical application, and independent learning.
For PMHNP students graduating by December 31, 2026, recent graduates, and practicing PMHNPs. Students do not need an NP license to apply.
Personal sharing is optional. Professional education is not clinical supervision, personal therapy, or employment. Continuing-education credit is not promised. Enrollment terms are set out in a separate agreement after acceptance.
The rhythm
Castalia welcomes new cohorts each January and July.
Each six-month experience combines independent learning with live weekly discussions, following a six-week teaching cycle with every seventh week reserved for rest and reflection.
Scheduled breaks are included within the six-month program. A detailed cohort calendar will be provided before enrollment.
Castalia · Tuition
An investment in clinical knowledge, professional judgment, and the art of psychiatric practice.
Castalia is a six-month professional education program combining independent learning with live, facilitated discussions.
Regular program tuition $5,850
$487.50per month for six months
$1,755one-time payment
Admission is selective. Accepted applicants receive an enrollment offer containing tuition options and program terms before deciding whether to enroll. No payment is required when submitting an application.
Payment, cancellation, and refund terms will be provided in the enrollment agreement before payment is collected.
January 2027 cohort
Opens Google Forms in a new tab. Applying does not guarantee admission or create a tuition obligation.