---
title: "Can Therapists Diagnose Mental Illness? Who Can?"
description: "Can therapists diagnose mental illness? Discover which mental health professionals can diagnose conditions, who can prescribe medication, and how the therapy diagnosis process works in California..."
url: https://sanjosecounseling.com/blog/therapists-diagnose-mental-illness/
date: 2026-04-01
modified: 2026-04-06
author: "invia"
image: https://sanjosecounseling.com/wp-content/uploads/2026/04/How-Does-the-Therapeutic-Diagnostic-Process-Look-Like.webp
categories: ["Blog"]
type: post
lang: en
---

# Can Therapists Diagnose Mental Illness? Who Can?

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