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307 providers
Availability last updated 11/02/2026
Joao Ferraz, MD, is a fellowship-trained Critical Care Medicine specialist at Long Beach Medical Center. He completed his fellowship in Critical Care Medicine at Baylor College of Medicine in Houston, Texas, where he received extensive training in the management of critically ill patients, including advanced mechanical ventilation, hemodynamic support, and cardiovascular critical care.
Prior to fellowship, Dr. Ferraz practiced as a hospitalist at Cleveland Clinic in Cleveland, Ohio. He completed his Internal Medicine residency in Chicago and earned his medical degree from the University of São Paulo in Brazil.
Dr. Ferraz has particular interests in mechanical ventilation, respiratory failure, hemodynamics, cardiovascular critical care, and the care of patients with complex multisystem illnesses. His training also includes extensive experience with advanced mechanical circulatory support, including ECMO, ventricular assist devices, and other temporary mechanical support systems.
In addition to his clinical work, Dr. Ferraz is involved in medical education, clinical research, and quality improvement. He has published several peer-reviewed studies focused on the management of critically ill patients with respiratory failure and continues to pursue research aimed at improving evidence-based care and outcomes in the intensive care unit.
Originally from Brazil, Dr. Ferraz is fluent in English, Portuguese, Spanish, and French. Outside of medicine, he enjoys tennis, skiing, traveling, and spending time with his family.
Joao Ferraz, MD
Internist
3605 Long Beach Boulevard
Suite 405
Long Beach, CA 90807
Dr. Maged Tanios serves as the Regional Medical Director of Sound Physicians and is the current director of the ICU and Intensivists Program at Long Beach Medical Center. Dr. Tanios is a Board-Certified physician who specializes in pulmonary medicine, critical care, and sleep medicine. At Southern California Pulmonologists and Intensivists Network of Sound Physicians, the doctor and his staff serve the residents of Long Beach, California, and many neighboring communities. Dr. Tanios has been practicing medicine in Southern California for almost 15 years. He is a pillar in the local medical community and serves on many hospital boards and committees in the Long Beach area.
After completing his internal medicine residency, Dr. Tanios went on to complete several fellowships including three at Tufts-New England Medical Center in sleep medicine, critical care medicine, and pulmonary medicine. In addition to earning his medical degree, Dr. Tanios earned a Master of Public Health (MPH) in Health Services Management & Policy from Tufts University School of Medicine and is completing an MBA in Healthcare Management at Johns Hopkins Carey Business School.
Dr. Tanios is also an accomplished associate professor of medicine at David Geffen School of Medicine at UCLA. Dr. Tanios received the Golden Apple Award for Teaching excellence from the Family Medicine program at Long Beach Medical Center and the Munzer Family Award for Research and Literary accomplishment from the Memorial Medical Center Foundation.
Dr. Tanios has received numerous achievements and awards for his work. He has been recognized by the American Lung Association and has also applied for and received grants from the National Institutes of Health. Most recently, Dr. Tanios was selected to the 2016 registry of “America’s Best Physicians.” He has also been listed on Southern California Super Doctors for the consecutive years of 2016-2021.
Dr. Tanios is a member of the American Thoracic Society, the American College of Chest Physicians, and the Society of Critical Care Medicine.
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Dr. Maged Tanios, MD
Internist
3605 Long Beach Boulevard
Suite 405
Long Beach, CA 90807
Adam Weitzman, MD, is a Pain Management physician who practices in four Los Angeles locations, Redondo Beach, El Segundo, Torrance and Seal Beach, California. He is double board certified by the American Board of Anesthesiology.
Dr. Weitzman earned his medical degree and graduated with honors from the Weill Medical College of Cornell University in New York City. He then completed an internship at the University of Pennsylvania before completing a residency in anesthesiology at Temple University, both in Philadelphia. Afterward, he finished an ACGME recognized fellowship in pain management at the Beth Israel Deaconess Medical Center in New York City, where he served as chief fellow.
He focuses on state-of-the-art therapies for acute and chronic pain. Dr. Weitzman uses a multidisciplinary approach that includes chiropractic care, physical therapy, massage therapy, stem cell therapy, and interventional pain techniques. His goal is to identify and eliminate the causes of pain that don’t respond to a single method of treatment so patients can live pain-free.
Dr. Adam Weitzman, MD
Pain Medicine Physician
2365 Seal Beach Blvd
Suite 101
Seal Beach , CA 90740
Walter Kim, MD
Internist
450 S Western Ave
Ste 206
Los Angeles, CA 90020
James Jung, MD
Internist
3511 West Olympic Blvd.
101
Los Angeles, CA 90019
Chris Shin, MD
Internist
3511 West Olympic Blvd.
101
Los Angeles, CA 90019
Mohammad Qureashi, MD
Internist
355 E Rincon St Ste 217
Corona, CA 92879
Ky Vu, MD
Internist
17150 Euclid St, Ste 200
Fountain Valley, CA 92708
Yu-Nan Hsu, DO
Internist
17150 Euclid St Ste 200
Fountain Valley, CA 92708
Vladimir Ayvazyan, MD
Internist
500 E Olive Ave
Suite 315
Burbank, CA 91501
Paresh Varu, MD
Internist
201 N First St
Suite A
Burbank, CA 91502
Henri Atkinson, MD
Internist
8420 S 8th Ave
Inglewood, CA 90305
Hasan Mirza
Internist
1050 Linden Ave
Long Beach, CA 90813
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