Mentality Behavioral Health Center Kevin Wethey M.D.
Mental health clinic in Diamond Bar, California.

Mental health clinic in Diamond Bar, California.
Nancy Rehfeld operates an outpatient psychiatric practice in Diamond Bar, California, providing psychiatric evaluations and medication management for adults. As a nurse practitioner, Rehfeld offers psychiatric care focused on mood and anxiety disorders. The practice accepts most major insurance plans. Specific information about specialized treatments such as TMS, esketamine, or ketamine therapy is not available in current listings; prospective patients should contact the office directly to discuss treatment options and availability.
Oasis Center for Interventional Psychiatry operates an outpatient practice in Diamond Bar, located on Copley Drive near the San Bernardino County border. The clinic provides psychiatric services including evaluations and medication management for adults with mood and anxiety disorders. Specific interventional treatments such as TMS, ketamine, or esketamine are not detailed in available listings; patients should contact the practice directly to confirm which procedural therapies are offered. The center accepts appointments by phone for initial consultations.