Meet Our Providers
Dr. John K. Hong
Dr. John K. Hong is double board certified in Pain Medicine and Anesthesiology by the American Board of Anesthesiology. He received his Bachelor of Arts and Medical Doctorate degrees at Cornell and Tufts Universities. After an internship in General Surgery, he completed a residency in Anesthesiology at Rush University Medical Center and then a fellowship in Pain Medicine at the University of Illinois at Chicago.
Dr. Hong is the founder and President of Gateway Spine & Pain Physicians. He serves as the Medical Director of Pain Management at Advocate Good Samaritan Hospital.
Dr. Andrew Kalin
Dr. Andrew Kalin is double board certified in Pain Medicine and Anesthesiology by the American Board of Anesthesiology. He received his Bachelor of Arts from DePaul University and his Medical Doctorate degree from the University of Toledo College of Medicine. Dr. Kalin completed his residency in Anesthesiology and fellowship in Pain Medicine at UH Case Medical Center in Cleveland, Ohio.
Stacie Wharton, PA-C
Stacie Wharton, PA-C, is a Board Certified Physician Assistant with a special interest in Pain Management.
She earned her physician assistant certificate from Malcom X College and her Masters of Medical Science in Physician Assistant Studies from St. Francis University. She is board certified by the National Commission for Certification of Physician Assistants. Stacie received her Bachelor of Science in Health Sciences at Aurora University.
Timothy R. Tumlin, Ph.D.
Timothy R. Tumlin, Ph.D. is a psychologist who has specialized in treating persons with a wide variety of chronic pain conditions in the Chicago area for 15 years. A graduate of the University of Florida’s Department of Clinical & Health Psychology, his clinical practice has included work with other specialties, such as oncology and bariatric surgery, and he also helps individuals experiencing psychological distress not related to medical conditions.