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Welcome to Serenity Healthcare Partners!

At Serenity Healthcare Partners, we provide exceptional care and support to individuals seeking relief from pain and a path toward improved well-being. With a patient-centered approach, we strive to restore function, enhance the quality of life, and promote holistic wellness.

Our team of highly skilled professionals is committed to delivering personalized care and guidance, tailoring treatment plans to meet the unique needs of each individual. With years of experience and a passion for helping others, our team is dedicated to empowering patients on their journey to healing and optimal health.

Discover a compassionate and patient-focused approach to healthcare at Serenity Healthcare Partners. We invite you to explore our website, meet our team, and learn more about the services we provide. Your well-being is our top priority, and we look forward to partnering with you on your path to wellness.

Our Leadership Team

Desiree Mohazab

Desiree Mohazab, has been in the industry for 25+ years. Desiree has a diverse background of experience and has worked with hundreds of doctors and lawyers throughout her career. In 1996, Desiree previously founded Doc411 (formerly known as California MPN Providers, Inc.) from her home – during this time she spent many years going to court hearings and negotiating with attorneys to settle cases, all while managing billing collections. As an serial entrepreneur with the passion to transform the industry she now looks to assist those in need through Serenity Healthcare Partners.

Inspired by her father, a general surgeon and founder of Soraya Hospital in Shiraz, Iran who exhibited great compassion and dedication towards patients, Desiree continues to develop services that provide a better patient and professional experience.

Dr. Abel Quesada, MD
Medical Director

Abel Quesada, MD, is an urgent care doctor and the medical director of L.A. Urgent Care & Occupational Medicine in Vernon, California. Dr. Quesada founded L.A. Urgent Care & Occupational Medicine to provide patients with efficient, affordable, quality healthcare. He has over 10 years of experience in industrial medicine and looks forward to providing his patients compassionate, thorough health care.

Dr. Quesada was born and raised in Southern California. He completed his undergraduate studies at the University of California, San Diego. Following his graduation, he earned his medical degree from New York Medical College in Valhalla, New York. He also studied medicine abroad at the Universidad Autónoma de Guadalajara in Zapopan, Mexico. After medical school, he trained in general surgery at St. Vincent Medical Center in New York City, and LAC+USC Medical Center in Los Angeles.

Dr. Quesada is a Certified Medical Examiner for the Federal Motor Carrier Safety Administration. He is also certified in acupuncture and functional medicine. To better serve his patients, Dr. Quesada is bilingual in English and Spanish.

Dr. Ali Sabbaghi, MD
Pain Management Specialist

Pain management specialist who completed his Physical Medicine and Rehabilitation residency at UCLA

Dr. Sabbaghi is one of a few doctors to achieve certification in both physical medicine and rehabilitation and in pain medicine

Offers numerous diagnostic and therapeutic procedures, including electro-diagnostics


Dr. John Warrington, PhD, QME
Psychologist & Qualified Medical Evaluator

Dr. Warrington received his undergraduate education in England. He holds degrees in English and American literature, and Divinity. His post-graduate degrees include a master’s in psychology and a Ph.D. in clinical psychology from California Graduate Institute in Los Angeles. He is a clinical and forensic psychologist licensed in California specializing in Workers’ Compensation including work-related stress/anxiety, depression, pain management and trauma. He is a Certified Alcohol and Other Drug Treatment Specialist, a Certified Anger Management Counselor, and a Qualified Medical Evaluator for Worker’s Compensation.

License Number & Type: 20819, Psychologist

Our Staff

Patients who come to Serenity Health Partners may see some or all of our specialists. We employ professionals who provide a holistic, multi-disciplinary treatment plan depending on your needs.

Speak with a Specialist

Serenity Healthcare Partners helps patients outside the Los Angeles area secure transportation and lodging while undergoing treatment.