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Meet our providers

Our Practice consist of multiple experienced Pain Specialist which all are Fellowship trained Anesthesiologist with Sub Specialty Certification in Pain Management. Many of our Pain Specialists hold an Academic Appointment with Loma Linda University Medical Center. Experience leads to better decisions, better outcomes and less complications.

Dr. Medhat Mikhael

Dr. Medhat Mikhael

Dr. Mikhael our medical director is double board certified in both Anesthesiology and Pain Medicine. Dr. Mikhael is fellowship trained in Pain Medicine and is the director of the Pain Medicine Division, Department of Anesthesiology Hoag Memorial Presbyterian Hospital and cancer center. Dr. Mikhael has a Surgical background with a Master degree in general and trauma surgery which adds to his experience in surgical interventions for treatment of chronic pain. Dr. Mikhael has a special interest in some of the complicated aspects of chronic pain including neuropathic and cancer pain and he is an active member on the cancer committee of of Hoag Memorial Hospital Presbyterian and both Long Beach Memorial and Orange Coast Memorial Hospitals.

http://painassociate.com/wp-content/uploads/2013/09/barreto.jpgDr. William Barreto

Dr. William Barreto

Dr. Barreto is a board certified Physical Medicine and Rehabilitation (PM&R) physician and is board certified in Pain Management. He attended medical school at Loma Linda University, in southern California. Drawn by their focus on whole person care and an exceptional learning environment, Dr. Barreto remained at Loma Linda for Residency in PM&R and for Fellowship training in Pain Management. After completing Residency, Dr. Barreto accepted an academic position at the Loma Linda VA Hospital, affording him the opportunity to teach PM&R Residents and Pain Fellows the intricacies of treating painful musculoskeletal conditions. Dr. Barreto holds a Bachelors degree in Psychology which continues to be a valuable asset when assisting people with the many psychological challenges which accompany chronic pain. Having previously been the medical director of a peer review company which focused on Workers Compensation claims, Dr. Barreto is proficient at navigating the challenges presented by that system. In his free time, Dr. Barreto enjoys competing in Triathlons, rockclimbing, wakesurfing, and traveling.

Dr. Andrew Messiha

Dr. Andrew Messiha

Dr. Messiha is a pain medicine specialist and anesthesiologist. He has an interest and background in multimodal pain management, utilizing interventional, medical, physical, and psychological therapies to treat the person as a whole. He is a graduate of the Pennsylvania State University College of Medicine, and completed his general surgery internship at Harbor-UCLA Medical Center. After completing his anesthesiology residency at Case Western Reserve University/Metrohealth Medical Center in Cleveland, Ohio, Dr. Messiha completed a pain medicine fellowship at the University of Pittsburgh Medical Center. Dr. Messiha and his family are happy to be back home in Southern California, and he looks forward to building long-term relationships with his patients and providing the highest level of care to improve their quality of life.

Dr. Afzaal Iqbal

Dr. Afzaal Iqbal

Dr. Iqbal is a pain medicine specialist and anesthesiologist. He has an avid interest in using a multimodal approach with the latest interventional techniques as well as safe and effective medical and psychological therapies in treating pain, particularly complex regional pain syndrome and cancer pain. He is a graduate of the SUNY Stony Brook School of Medicine and completed both his anesthesiology residency and pain medicine fellowship at the University of Rochester Medical Center in Rochester, New York. Dr. Iqbal looks forward to serving the greater Orange County community with exceptional care and establish meaningful relationships with his patients. He and his wife enjoy exploring the Southern California outdoors via hiking, biking and kayaking as well as the arts and culture of both LA and Orange County.

Susan Font, PA-C

Susan Font, PA-C

Susan Font graduated from California State University, Fullerton with a Bachelor of Science degree in Biological Science. She attended Loma Linda University Physician Assistant Program, from which she earned a Master of Physician Assistant Science degree.
Ms. Font is an active member of the California Academy of Physician Assistants and the American Academy of Physician Assistants. She is currently a staff member at Orange Coast Memorial Medical Center.

http://painassociate.com/wp-content/uploads/2013/09/timothysam.jpgDr. Timothy Sams

Dr. Timothy Sams

Dr. Tim Sams is a rehabilitation and pain psychologist with 27 years experience treating pain patients. He is the author of ABC’s of Pain Relief and Treatment: Advances, Breakthroughs, and Choices. He is clinical faculty at University of California – Irvine where he has trained medical and psychological residents and fellows in behavioral pain management. He has lectured nationwide on the role of behavioral factors in pain. He developed the Personal Pain Paradigm Assessment, the first computer scored pain inventory that educates patients about their pain coping.

Mark Schwartz, PA-C

Mark Schwartz, PA-C

Mark is a board certified Physician Assistant and has been practicing medicine as a PA since 1981 when he graduated from Long Island University’s PA Program. He completed an Emergency Medicine Residency at LAC/USC Medical Center and has practiced in Orthopedics for over thirty years working as an Orthopedic Surgical Trauma PA as well as with Hand & Total Joint Services before deciding to specialize in Pain Management.

Mark takes care of our hospital patients, and has privileges at Hoag Hospital Newport Beach, Irvine, Hoag Orthopedic Institute, and Fountain Valley Regional Medical Center. He is a member of the Academy of Physician Assistants and the California Academy of Physician Assistants.

Mark enjoys hiking and is a member of The Laguna Coast Wilderness Foundation. He is also a PADI certified Rescue Diver.