Ellen Marie Walker, Psychiatric Nurse Practitioner

Practice Context in IntroTherapy

• • IntroTherapy lists 469 mental health practices in Columbia. Ellen Marie Walker, Psychiatric Nurse Practitioner is one of them.
• • 3,548 practices statewide in South Carolina are tracked in our directory.
• • Typical psychiatrist compensation in South Carolina: $200,000 – $350,000 (median $256,000). 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.