Dr. Trish Duncan

Verified Clinician

410 Glendora Ave #130, Glendora, CA 91741

5.0 (1 reviews)

About the Practice

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

Practice Context in IntroTherapy

• IntroTherapy lists 29 mental health practices in Glendora. Dr. Trish Duncan 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 May 2026.