Our Mission

Our mission is to reduce pain to its lowest possible level and limit its impact on the lives of our patients. We are committed to providing you with the highest quality personal care. For more information on how we can help or to schedule an appointment please contact us today at (210) 692-0101.

The physicians at River City Anesthesia & Pain Management are experts specially trained with many years experience in the treatment of chronic pain and comprehensive pain management. Our doctors are anesthesiologists that specialize in the specific treatment of pain and pain management. Anesthesiologists are doctors who make sure that you are safe, pain free and comfortable during medical procedures.

Meet the Team

Arnold DeLeon, M.D.

Dr. Arnold DeLeon, M.D.

Dr. DeLeon is a native of Corpus Christi, Texas. He attended Texas A&M University Kingsville where he graduated summa cum laude with a degree in Biology. He then went on to pursue his Medical Degree at University of Texas Health Science Center in San Antonio. Following his graduation from medical school, he completed an internship in General Surgery at the UT Health Science Center San Antonio and went on to finish a residency in Anesthesiology at Rush Medical Center in Chicago. Dr. DeLeon was then selected for a fellowship in Pain Medicine where he received comphrensive training in both interventional and medical management of pain.

Dr. DeLeon treats a wide variety of pain conditions including both acute and chronic back and neck pain, complex regional pain syndrome or RSD, as well as pain caused by cancer. He is a diplomate of the American Board of Anesthesia and is a member of the American Society of Anesthesiologists, American Society of Regional Anesthesia and Pain Medicine, North American Neuromodulation Society, Texas Medical Association, and the Bexar County Medical Society.

He is happily married to his wife, the former Danielle Ely. They have one beautiful daughter, Olivia Rose DeLeon and two dogs, Fawkes and Cooper.

Dr. DeLeon's goals are to provide the highest quality of medical care to his patients and to ensure his patients understand their disease process which will enable them to play an integral role in the treatment decision making process. His ultimate goal is to improve his patient's pain, function, and overall quality of life. As a patient, you can expect to be treated in a timely manner with patience and respect.

Jay S. Ellis, M.D.

Jay S. Ellis, M.D.

Dr. Ellis has been a practicing Pain Management physician and anesthesiologist for over 30 years. After his anesthesiology residency at Wilford Hall Medical Center, Dr. Ellis completed his pain management fellowship at the University of Texas Health Science Center-San Antonio. He served in the Air Force for 24 years, achieving the rank of Colonel. His duties included Chairman and Residency Program Director at Wilford Hall Medical Center and Chief Consultant for Anesthesiology to the Surgeon General of the Air Force. Dr. Ellis practiced medicine on five of the seven continents, with his last Air Force deployment being in support of Special Forces in the Philippines during Operation Enduring Freedom. During his Air Force career he received several awards, including election to the Alpha Omega Alpha Honor Medical Society, the Outstanding Graduate in Anesthesiology, the Gold Headed Cane Award for the physician who best exemplifies excellence in clinical care, teaching and research and the Excalibur Award presented by the Society of Air Force Clinical Surgeons in recognition of his professionalism and commitment to military medicine.

Dr. Ellis is dedicated to furthering the specialty of pain management. In addition to his Board Certification in both Anesthesiology and Pain Management, he is a Clinical Professor of Anesthesiology and Pain Management at the University of Texas Health Science Center-San Antonio. He served the American Board of Anesthesiology as a test question author and oral board examiner. He is a member of several medical societies and professional organizations including the International Spine Intervention Society, North American Neuromodulation Society, the International Anesthesia Research Society and the American Society of Anesthesiologists. He maintains an interest in clinical research and he has been the principal investigator for several pain management studies and an invited speaker on pain management topics. He was recognized by “Best Doctors in San Antonio” for both anesthesiology and pain management.

Dr. Ellis treats all chronic pain complaints, but he has special interests in the treatment of cancer pain, interventional management of back pain, and the management of nerve pain due to neuropathy. As a cancer survivor, Dr. Ellis has a special appreciation of the suffering and difficulties produced by chronic pain and illness.

James L Growney, D.O.

James L Growney, D.O.

Dr. Growney has been practicing anesthesiology and pain management in San Antonio for over 30 years. He joined the first office based pain group in San Antonio in 1984 after his residency and staff appointment at Wilford Hall Medical Center. He is certified by the American Board of Anesthesiology.

Dr. Growney is committed to using the latest technology for diagnosis and treatment with a compassionate and caring approach. The proven interventional techniques which can reduce pain and increase functional activity are the focus of his practice.

He was born in Denver Colorado. Undergraduate work included the United States Naval Academy and Creighton University. Medical school was completed at Midwestern University in Chicago.

Medical societies include:

  • Texas Society of Anesthesiology
  • American Society of Anesthesiology
  • American Association of Interventional Pain Specialist
  • The International Anesthesia Research Society

His other professional activities include office based clinical research projects and anesthesia staff appointments at multiple hospitals for operating room anesthesia as well as pain management.

Timothy Orihel, M.D.

Timothy Orihel, M.D.

Dr. Orihel, a Board Certified anesthesiologist, has been practicing anesthesia and pain management with River City since 1986.


He graduated cum laude from LSU with a Bachelor of Science in Biochemistry and completed medical school at Tulane University in New Orleans, Louisiana. He then joined the teaching staff at Wilford Hall Medical Center and directed the pain clinic.

Dr. Orihel is devoted to helping patients manage their pain and regain control of their life.

He is member of:

  • The Texas Society of Anesthesiologists
  • The American Society of Anesthesiologists
  • Bexar County Medical Society

He is married to his wife, Dana, and has two children.