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Verified Internists in Diamond Bar, CA

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329 providers

Availability last updated 09/10/2026

Jon Persichino, DO Infectious Disease Physician
22.8 mi

16779 Spring St.
Fontana, CA 92335

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Karen Kim, MD Internist
23.4 mi

573 S Boyle Ave
Los Angeles, CA 90033 +3 more locations

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Gregory Robertson, MD Internist
23.9 mi

20311 S.W. Acacia Street Suite #140
Newport Beach, CA 92660 +6 more locations

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Elie Sader, MD Neurologist
24.6 mi

777 S Alameda St # 2
Los Angeles, CA 90021

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Dr. Maged Tanios Internist
24.7 mi

3605 Long Beach Boulevard
Suite 405
Long Beach, CA 90807

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About Dr. Maged Tanios

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.

Practice

SoCal Pulmonologists and Intensivists Network of Sound Physicians