Our Providers


Dr. Leon “Joe” Chandler was born, bred, and educated in the mid west state of Indiana. He was raised on golf, fishing, quail hunting and dog training. His alma mater is Indiana University where he graduated with a bachelor’s degree and earned his degree in medicine. His anesthesia residency was completed at Indiana University and Marion County General Hospital. He came to Alaska because of his childhood desire to fish and hunt in this great state and the United States Air Force. Although the air force brought Dr. Chandler to Alaska in 1970, it was the hunting, fishing and medical opportunities that have kept him in Anchorage, Alaska ever since.  Read More »


Dr. Steven Johnson is Board Certified in Family Practice in Canada, and in Anesthesia and Pain Management in the United States. Dr. Johnson grew up in Montreal, Canada where he attended McGill University, majoring in Engineering before continuing on to Medical School. He left Montreal to complete his Family Practice Residency at the University of Calgary where he was Board Certified in Family Practice. In 1979 he came to the United States for a residency in Anesthesia at the University of Vermont. Dr. Johnson continued his medical training with a Cardiac Anesthesia Fellowship at Emory University in Atlanta, Georgia. Read More »


Dr. Alfred Lonser has a background in Engineering. He obtained a Medical Degree from Loma Linda University in1998. He then went to the University of Virginia for a surgery residency before transitioning into Anesthesia. After successfully completing the Residency and Board requirements he and his family moved to Anchorage in 2002, where he was an anesthesiologist for Providence Hospital for 5 years. Since then Alaska has remained in his blood. He left Alaska for two years to complete a Pain Management fellowship at UCLA and then worked for one year in Nebraska before returning to Anchorage. Read More »

luke-liu-md-216Luke Liu, M.D.

Dr. Luke Liu is board certified in both pain management and anesthesiology. He received his medical degree from the David Geffen School of Medicine at UCLA in the accelerated degree program in 2004. His anesthesiology residency was completed in 2008 at UCSF Medical Center, San Francisco, California.   He then continued his medical training at UCSF completing his Pain Management Fellowship in 2009. He moved his family to Anchorage in 2011 and continued his practice at Alaska Regional providing both anesthesia and pain management care. Read More »


Derek Hagen, D.O is Board Certified in Family Medicine and has been practicing in Anchorage since 1997. Originally from Homer, Alaska, Dr. Hagen attended medical school at Western University of Health Sciences in Pomona, California. He completed his internship at San Bernardino County Medical Center and his residency in Family Medicine at Aultman Hospital in Canton, Ohio. In addition to specializing in family medicine, Dr. Hagen’s practice emphasis includes sports medicine, osteopathic manipulations, and minor surgical procedures, such as no-scalpel vasectomies and mole removal. Read More »

Susan Klimow, M.D.SUSAN KLIMOW, M.D.

Susan Klimow, M.D. is Board Certified in Physical Medicine and Rehabilitation as well as Pain Management. Other medical interests include acupuncture, electro-diagnostic testing and disability examinations. Dr. Klimow was born and raised in Johnson City, NY. Completing a BA degree at Eisenhower College, Seneca Falls, NY, she went on to take courses at George Washington University, Washington D.C. and earned a MA degree in Women’s Studies in 1979. Read More »


Susan Bertrand, M.D. joined A.A. Pain Clinic in 2005. Before coming to Anchorage to join AA Spine & Pain Clinic, Dr. Bertrand served as the Medical Director for the Chronic Pain Program at Missoula Community Medical Center in Missoula Montana and Southern Hills Regional Rehabilitation Hospital in West Virginia.  Read More »

Joseph Bablonka, Ph.D.JOSEPH BABLONKA, Ph.D.

Originally from New England, Dr. Joseph Bablonka is a licensed Psychologist in the State of Alaska. He holds a Masters in Psychology from the University of New Haven and completed his post doctorate Adult Education and Psychology studies at Columbia University in New York. Dr. Bablonka received his Ph.D in Clinical Psychology from Fielding Graduate University, Santa Barbara, California in 1993.  Read More »


Jane Sonnenburg is a certified Physician Assistant who obtained her degree from Kings College in Wilkes-Barre Pennsylvania. Prior to her career as a Physician Assistant, she worked as an Occupational Therapist in neurosurgical settings and with traumatic hand injuries.  Ms. Sonnenburg joined AA spine Pain in 2011.  Read More »