Alpern Fred PhD

Verified Clinician

334 Via Vera Cruz #207, San Marcos, CA 92078

About the Practice

This is a practice in San Marcos, California focused on mental health services.

Practice Context in IntroTherapy

• IntroTherapy lists 58 mental health practices in San Marcos. Alpern Fred PhD is one of them.
• 15,429 practices statewide in California are tracked in our directory.
• Typical psychologist compensation in California: $94,000 – $177,000 (median $109,000). Source: BLS OEWS, state cost-of-labor adjusted.

Data compiled from U.S. state licensing boards, NPI public registry, and verified practice listings. Mental health is a YMYL topic — we prioritize licensed, verified providers only. Methodology & sources · Updated July 2026.