Our Physicians
Dr. Salar Deldar is a double board-certified, interventional pain medicine physician who specializes in non-surgical musculoskeletal medicine.
Dr. Deldar is the founder of Pacific Rehabilitation & Pain and is a Clinical Associate Professor at University of California - San Francisco (UCSF) in the Department of Neurological Surgery.
Dr. Deldar serves as the Associate Medical Director of the Inpatient Rehabilitation Unit (IRU) at Community Hospital of the Monterey Peninsula (CHOMP) and founded the Comprehensive Pain Center at Mee Memorial Hospital, the first pain medicine clinic in South Monterey County, where he also serves as Medical Director.
He completed his residency at Stanford University, fellowship at Oregon Health Science University (OHSU), and attended the University of California - Berkeley and UAB School of Medicine for his undergraduate studies and medical studies, respectively.
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Throughout his professional career, Dr. Deldar has held numerous national leadership positions in medical education, and has been involved in a variety of publications, lectures, and national presentations on topics in both pain medicine and sports medicine, including a reference in The New York Times.
Salar Deldar, MD
Dr. Gloria Hwang is a Physical Medicine & Rehabilitation physician with fellowship training in sports/spine and orthobiologics. She had the great fortune to train under pioneers in the field of orthobiologics and world-recognized leaders in ultrasound diagnostics and guided procedures.
Prior to her fellowship training she completed her internship at the University of Maryland in internal medicine and her advanced training in NYC at Montefiore Medical Center affiliated with Albert Einstein College of Medicine after graduating with honors from medical school. She graduated with a chemistry degree from University of California - San Diego (UCSD) and a master’s degree in health care management and public administration at New York University (NYU).
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Throughout her career in medicine, Dr. Hwang has been active in teaching other physicians worldwide in the use of ultrasound for guidance in pain relieving procedures and diagnosing root causes of patient’s pain. She has also published multiple articles in various medical journals, one of which images were featured on the cover.
Dr. Hwang's interest in helping people manage and relieve pain is only rivaled by her love for her devoted maltese furbaby. Outside of work she can be found jogging, exploring her environment (whether it be in her home of Monterey or elsewhere on the globe while traveling), finding ways to enrich others’ lives or participating in ways to stay healthy and live the fullest life possible.
Gloria Hwang, MD
Dr. Chase Kissling is a double board-certified anesthesiologist and interventional pain medicine physician.
Dr. Kissling joined the Pacific Rehabilitation & Pain Family in August 2024 after retiring from active service as a Commander (O-5) in the US Navy. His focus is to bring increased interventional capabilities and options to patients in Monterey County.
Dr. Kissling completed a fellowship in Pain Medicine at Naval Medical Center San Diego, residency in Anesthesiology at National Military Medical Center in Bethesda, Maryland, medical school at the University of Texas Health Science Center - San Antonio, and undergraduate degree from the University of California - Los Angeles (UCLA).
Following medical school and internship, Dr. Kissling served as Flight Surgeon at Training Air Wing 6 in Pensacola, FL, where he received additional education in Aerospace Medicine. After completing his fellowship, he served as the Pain Management Clinic Medical Director at Naval Hospital Bremerton in Bremerton, WA, and at Naval Hospital Camp Pendleton while stationed with the First Medical Battalion at Camp Pendleton in Oceanside, CA.
Dr. Kissling is a member of the International Neuromodulation Society, American Academy of Pain Medicine, and the American Society of Anesthesiology.
He holds privileges at Community Hospital of the Monterey Peninsula (CHOMP), Salinas Valley Memorial Hospital (SVMH), as well as Mee Memorial Hospital.
Chase Kissling, MD
Dr. Kathryn Bergen completed medical school at Philadelphia College of Osteopathic Medicine (PCOM) and completed Family Medicine Residency at Brown University.
She spent time in global health with Partners in Health in Chiapas, Mexico and then served 2 years as a hospitalist at Natividad Medical Center. She also co-founded and continues to volunteer with Women's Healthcare on the Move. She joins us to work with our Addiction Medicine team and also provide care for patients with Hepatitis C.
She is fluent in Spanish and enjoys spending time with her dog in the outdoors during her free time.
Kathryn Bergen, DO
Dr. Reb Close is an Attending Emergency Physician at Community Hospital of the Monterey Peninsula, and the lead clinical physician for Montage Health Prescribe Safe.
Montage Health Prescribe Safe is a collaborative partnership in the Central Coast Region to promote the safe use of prescription drugs, promote safe pain management, reduce overdoses, and address substance use through preventative efforts and treatment. She has been a Regional Director/Implementation Leader for the California Bridge to Treatment Program since 2019.
Dr. Close attended medical school at the University of California - Los Angeles (UCLA), and completed residency in Emergency Medicine at UCLA-Olive View Medical Center in Los Angeles. She received her board certification in Addiction Medicine in 2023. She has been on staff at Community Hospital of the Monterey Peninsula (CHOMP) since 2003.
Reb Close, MD
Dr. Casey Grover is an Emergency Physician at Community Hospital of the Monterey Peninsula, and is the Physician Champion for Montage Health Prescribe Safe.
Montage Health Prescribe Safe is a collaborative partnership in the Central Coast Region to promote the safe use of prescription drugs, promote safe pain management, reduce overdoses, and address substance use through preventative efforts and treatment.
Dr. Grover has also served in hospital leadership at Community Hospital of the Monterey Peninsula (CHOMP), and where he served as Chief of Staff.
Dr. Grover attended medical school at the University of California - Los Angeles (UCLA), and completed a residency in Emergency Medicine at Stanford University. He completed additional training in Addiction Medicine after residency, and received board certification in Addiction Medicine in 2023.
Casey Grover, MD
Dr. Andrea Jakubowski is a General Internist and Addiction Medicine specialist. Dr. Jakubowski attended medical school at the Icahn School of Medicine at Mount Sinai and completed her residency in Primary Care Social and Internal Medicine at the Albert Einstein College of Medicine and Montefiore Medical Center in the Bronx, New York. Subsequently, she received her board certification in Addiction Medicine in 2022.
Dr. Jakubowski’s research has focused on increasing access to medications for opioid use disorder with a focus on providing buprenorphine in syringe services programs.
Andrea Jakubowski, MD, MS
Dr. Michael McBain is an addiction medicine specialist and occupational health physician dedicated to providing compassionate care for people with substance use disorders. He joined Pacific Rehabilitation & Pain to offer clinic-based treatment and to expand his work to outreach programs serving people experiencing homelessness and other social and economic barriers to accessing healthcare.
Dr. McBain earned his PharmD and MD degrees from the University of Washington. He trained in Anesthesiology and Pain Medicine at the University of Washington and completed his Occupational and Environmental Medicine residency along with a Master of Occupational Health (MOH) at the University of Utah’s Rocky Mountain Center.
Beginning his career as a clinical pharmacist specializing in care for underserved populations, including those living with HIV, Dr. McBain brings a multidisciplinary approach to his collaboration with patients with substance use issues. His training in medicine, pharmacy, pain management, occupational health, and public health guides his commitment to meet patients where they are and provide whole-person, evidence-based care.
He believes that everyone deserves access to respectful, comprehensive care that supports patients on their journey toward health and wellness.
Michael McBain, MD, PharmD, MOH
Dr. Kyle Kathryn McLain is a board-certified emergency physician with fellowship training in addiction medicine. She attended medical school at the University of Michigan and completed her Emergency Medicine residency at Harbor-UCLA Medical Center, a safety net hospital rooted in serving the diverse communities of Los Angeles County.
She went on to complete her Addiction Medicine Fellowship through the Eisenhower-Ronald Reagan UCLA Program, where she trained across a wide range of settings including the nationally recognized Hazelden Betty Ford Foundation.
She is passionate about health equity, harm reduction, and improving access to compassionate care for marginalized populations. Throughout her medical training, Dr. McLain has focused on advocating for LGBTQIA+ health, including research aimed at improving medical education around care for transgender and nonbinary individuals.
