Our Clinicians

Dr. King is the founding member  of APAC. He completed his Anesthesiology Residency at the University of Washington, where he had the opportunity to be mentored by one of the pioneers of pain management, Dr. John Bonica. Dr. King has directed acute and chronic pain services at major hospitals and surgery centers for over 30 years. He is Board Certified in Anesthesiology and Pain Management.

Dr. Chang is the Chief Medical Officer of APAC. He specializes in pain management and interventional spine procedures. He received his Medical Degree and completed his Anesthesiology Residency and Pain Fellowship training at Rush University Medical Center. He is a member of the American Academy of Pain Management (AAPM), the American Pain Society (APS), and the International Spine Intervention Society. Dr. Chang has been an established pain management physician in Chicago for over 25 years. He is Board Certified in Anesthesiology and Pain Management.

Dr. Hagle is Board Certified in Anesthesiology and Board Certified in Pain Management. He graduated from Missouri School of Medicine and completed Fellowships in Anesthesia and Pain Management at Rush University Medical Center. He is a member of the American Society of Regional Anesthesia and Pain Medicine (ASRA). Dr. Hagle’s primary interests are in back and neck pain, peripheral neuropathy, and a multidisciplinary approach to pain management specializing in interventional spine procedures.

Dr. Dalal has more than 30 years of clinical experience, specializing in Anesthesiology. She completed her residency at Ravenswood Hospital Chicago and further medical education and training at Medical College of Wisconsin, after having earned her medical degree from Gujarat University in India. Dr. Dalal is a member of the American Society of Anesthesiologists.


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