Chestnut Ridge Counseling Services, Inc. is a not- for –profit community based healthcare organization that provides comprehe ... nsive professional behavioral health services in a broad spectrum of service offering programs. Please visit our website for a full list of services offered. Chestnut Ridge Counseling Services or (CRCSI) offers services using the most advanced treatment approach and technology to deliver the highest quality services to southwestern Pennsylvania region. Chestnut Ridge Counseling Services or (CRCSI)was founded in 1969 and continues to this day to assist adolescents, young adults, adults and seniors to have a helping hand. read more