About Us

Learn More About Us

Touchstone Interventional Pain Center providers and leadership team are highly qualified and professional individuals who bring years of experience to our practice for the benefit of our patients.

Our mission is to provide:

Hope ~ Compassion ~ Excellence ~ Integrity

Shawn Sills, MD
Medical Director

Anesthesiologist Specializing in Pain Management

Touchstone founder, Dr. Shawn M. Sills, is a board certified anesthesiologist, addiction medicine specialist and interventional pain physician dedicated to serving his patients and the community. He is passionate about providing his patients with new and innovative options for pain management and understands the burden of chronic pain on his patients as well as their families.
Since moving to Southern Oregon in 2004, Dr. Sills has pioneered interventional pain management and continues to improve his techniques as well as introduce new modalities, and emerging technologies, to chronic pain patients.

William “Bryan” Castleberry, FNP
Nurse Practitioner

Bryan Castleberry began his career in the medical field as a Fire Fighter/Paramedic for almost ten years. The work as a paramedic further developed his passion for helping individuals in need and prompted his further pursuit of education and licensing as a Nurse Practitioner. Bryan obtained his Bachelor of Science degree in Nursing in 1996 from the University of Texas. Upon his graduation he was hired by a prestigious medical center in Tyler, Texas in their in-house residency program in Critical Care Nursing. He spent ten years in that position working with Trauma Surgeons who suggested he continue his education and become an Acute Care Nurse Practitioner. Bryan enter the nurse practitioner program at Colorado State University in Pueblo, Colorado and obtained his master’s in nursing (Acute Care Nurse Practitioner) in May of 2005. Bryan has built on his previous experiences and education working as Nurse Practitioner in a Level II trauma center for nearly 10 years as an RN, followed by almost nine years as a Critical Care Intensivist at locations in Colorado, Washington and New Mexico. Since 2017, Bryan has worked as a Nurse Practitioner with a geriatric population as well as in the Hematology/Oncology fields.
Bryan brings a passion for helping individuals with chronic pain and feels privileged to bring his skills and expertise to Touchstone Interventional Pain patients.

Sean Tansey
PA

Siri David Alrick, CAS, CADCII
Counselor

Siri David Alrick was born and raised in Silverton, Oregon. He completed his Bachelor’s Degree in Sociology and Psychology in 1971. Between 1974 and 1985, Siri worked with troubled and delinquent youth as a counselor and educator. In 1985, he began working as an addiction therapist and became a Certified Addiction Specialist (CAS) in 1991. Siri then obtained his Certification as an Alcohol and Drug Counselor (CADCII) in 1996 and has used his training and skills to help people overcome the obstacles of addiction. He is involved in a continuous extensive study of yoga, relaxation, breathing techniques, guided imagery, and energy medicine. In his free time, Siri enjoys spiritual study, hiking, and gardening

Glenda Wilson
Practice Manager

Glenda Wilson was born and raised in the Rogue Valley. She graduated from Northwest College in Powell, Wyoming with a degree in Office Administration. Glenda has an extensive 35+ year work history in the medical, behavioral health, computer and government sectors. This experience gives her a broad base of knowledge and understanding of the business environment. Glenda is focused on providing high levels of customer service that are delivered with compassion and empathy.
Glenda lives in Medford with her husband and when she is not working, enjoys being in nature, gardening, and crafts.