William L. Martin, PH

Practice Context in IntroTherapy

• • IntroTherapy lists 59 mental health practices in Ocean Springs. William L. Martin, PH is one of them.
• • 1,712 practices statewide in Mississippi are tracked in our directory.
• • Typical psychologist compensation in Mississippi: $68,000 – $128,000 (median $78,000). 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 August 2026.