Mental HealthList Your Clinic

SA

SARA CASTONGUAY

MERRIMACK RIVER MEDICAL SERVICES, INC.

Registered Therapist / Counsellor

Locations

MERRIMACK RIVER MEDICAL SERVICES, INC., Hudson(primary)

PainHero

Find trusted 1-on-1 care for body and mind.

Mental Health Pain Relief Physical Therapy Chiropractic Massage Therapy Find a Clinician Resources Treatments

List your clinic

© 2026 PainHero. All rights reserved.

Privacy Policy Terms Medical Disclaimer Contact About