About Us

Marc A. Valley, MD, MS, CPE

Born in a small community outside of Sacramento California, Dr. Marc Valley received his undergraduate degree in Biochemistry from the University of California in 1980. In 1984, he received his medical degree from Loma Linda University Medical School in California. After completing his surgical internship in Los Angeles, California, Dr. Valley joined the Air Force to complete his residency in Anesthesiology and his Pain Management fellowship at Johns Hopkins Hospital in Baltimore. Since leaving the Air Force in 1996, Dr. Valley has been in private practice in Arkansas and most recently in Eastern Tennessee.

Dr. Valley is a member of the International Spinal Injection Society, the American Society of Interventional Pain Physicians, and the International Neuromodulation Society. His clinical interests include minimally invasive spinal surgery, cancer pain, and neuropathic pain. Dr. Valley and his wife Patricia have five children.

Todd Stanford, PA-C

Mr. Todd Stanford joined the CIRCE Medical Services team in 2013 as a physician assistant. Stanford received his Physician Assistant degree from The University of Utah in 1998 and his RN certification from Salt Lake Community College in 1991.

Prior to being certified as a physician’s assistant, Stanford served as a registered nurse for a decade and as an Army Combat Medic/LPN with the Army National Guard from 1988 to 1996. Stanford was honorably discharged from the military in 1996 and received numerous decorations, including an Army Commendation Medal for his medical relief during Hurricane Hugo, as well as the Kuwait Liberation Medal and the Overseas Medal.

Stanford has 15 years of experience as a physician assistant specializing in rehabilitation, neurosurgery and pain management. Most recently, Stanford served as a PA for Chattanooga-based Consultants in Pain Management, working not only in the office, but also served at Erlanger Memorial Hospital where he did hospital rounds and provided on-call assistance.

Sherry F. Owens, RN, CCRN, BSN, FNP-C

Sherry Owens joined the CIRCE Medical Services team in 2013 as a Nurse Practitioner. Owens received her A.S. in Nursing in 2001. She obtained her B.S. in Nursing in 2009 and her Master of Science degree in Nursing in 2012 from Southern Adventist University.

Prior to joining the CIRCE Medical Services team, Owens served as a Critical Care Registered Nurse in the Erlanger Medical Center's Shock Trauma Intensive Care Unit.

Owens is a member of the American Association of Critical-Care Nurses (AACN) and the American Academy of Nurse Practitioners (AANP). 

Back pain affects millions of people. Even when back pain is only mild, it can stop you from enjoying normal daily life.

When back pain is intense, it can bring your daily activities to a complete stop and steal all of the pleasure from your day.

Fortunately, there are many treatments that can help reduce and eliminate back pain.

To schedule an appointment, please call our main office number at (423) 531-0001 and speak with an appointment coordinator. If you are a NEW PATIENT it is recommended to download and print off the PATIENT REGISTRATION Packet and bring it with you to your first appointment. This will save you time and allow you to collect any information that may require a little time to find.

When looking for a treatment center to help you with your chronic pain, it is important to find a setting that is appropriately licensed to provide comprehensive, state-of-the-art treatment with clinicians specifically trained and experienced in treating chronic pain.

At CIRCE Medical Services, our team is trained in the latest advancements in cutting- edge chronic pain treatment.

Do you suffer from continual back pain and discomfort? Dr. Marc Valley leads a staff of qualified health professionals that will work to diagnose and treat your problem.

  • Expert Diagnosis
  • Patient Education
  • Various Treatment Options


Call Our Chattanooga Office at (423) 531-0001

Call Our Johnson City Office at (423) 282-1171

8:30a - 5:00p M-F
To save time during your appointment, please fill out these forms prior to your visit and bring them with you.


Chattanooga Office
1010 East Third Street, Suite 201
Chattanooga, TN 37403
(423) 531- 0001 PHONE
(423) 531- 0002 FAX
Johnson City Office
411 Princeton Road, Suite 101
Johnson City, TN 37601
(423) 282-1171 PHONE
(423) 282-1181 FAX