Jessica Thomassen

Social Worker

GenderFemaleNPI1790111359Affiliated sites1

Affiliated Health Centers

Jessica Thomassen is affiliated with 1 federally qualified health center location.

Sun River Health White Plains

360 Mamaroneck Ave # 1, White Plains, NY 10605-1700

Mental Health & Behavioral Health Services

Counseling, therapy, and psychiatric care for depression, anxiety, trauma, and substance use — affordable and accessible.

Individual therapy

Group counseling

Substance use treatment

Psychiatric evaluation

Crisis intervention

Trauma-informed care

Medication management

Browse all Mental Health & Behavioral Health clinics →

Clinician information is sourced from the NPPES National Provider Registry (February 2026) and reflects self-reported practice locations. Individual providers may have joined or left since the last registry update.

Verify on NPI Registry

Confirm current license and practice information on the official CMS NPI registry.

View NPI Record

Social Worker

Providing social worker services at federally qualified health centers with sliding fee scale options.

View services →

Browse

All clinicians →Social Worker clinicians →Browse health centers →

Jessica Thomassen

Affiliated Health Centers

Mental Health & Behavioral Health Services

Related Clinicians

Other Clinicians at These Health Centers

Other Social Worker Clinicians

Verify on NPI Registry

Social Worker

Browse