Derek Sun, MD

CHW Cares is a neighborhood-focused company that delivers end-to-end healthcare in the clinic, at home and on the phone. At CHW Cares, the team of primary care, dental, and specialty providers specialize in providing comprehensive physical health and dental care to older adults. We go beyond treatment by teaching patients to identify danger signs before they become serious complications.CHW Cares currently serves the Washington Heights and Inwood neighborhoods of Manhattan, and is growing throughout New York City. Individuals aged 65 and older can access a comprehensive suite of health services, including asthma care and pulmonology, diabetes care, kidney care, gynecology, pain management, podiatry, and orthopedics.The team also offers all-inclusive cardiology care, including treatment of hypertension, venous ulcers, and varicose veins, nutrition counseling, physical therapy and rehabilitation, and thyroid disorders.CHW Cares provides eye care, neurology, and treatment for sleep disorders. Not to mention preventive and general dentistry, including root canals, teeth cleaning, teeth whitening, and fillings. For people who experience pain or anxiety, the team also offers acupuncture.Our care teams take time to meet with and understand each individuals symptoms and concerns. Our Primary Care Physicians collaborates with a team of health coaches, dieticians, nurses to support each patient on their care journey. Our team of specialists and dentists use safe, effective, and proven treatments to help people get and stay healthy.

Christopher S. Ahmad, MD, specializes in knee ACL, meniscus, and cartilage injuries, shoulder instability and labral tears, rotator cuff pathology, Tommy John surgery, and advanced arthroscopic surgical techniques for sports-related injuries of the knee, shoulder and elbow. He is the Head Team Physician for the New York Yankees and a member of the Major League Baseball Team Physicians Association. He is also Head Team Physician for the Rockland Boulders as well as for several high schools in Manhattan and New Jersey. In addition, Dr. Ahmad serves as a consultant to local metropolitan gymnastics and swim teams, and as the official medical provider to the FC Westchester Soccer Academy. A recipient of several awards for outstanding research in the field of Sports Medicine, Dr. Ahmad conducts ongoing research in the areas of ACL injury prevention and screening, biomechanics of the elbow, and surgical techniques for rotator cuff and shoulder instability repair. He has authored more than 200 articles and 50 book chapters related to shoulder, elbow, and sports medicine and has presented over 250 lectures nationally, and internationally. Dr. Ahmad was also an editor of the textbook Minimally Invasive Shoulder and Elbow Surgery and Pediatric and Adolescent Sports Injuries. In addition, Dr. Ahmad serves as Vice Chair of Faculty Affairs for the Columbia University Department of Orthopedic Surgery. Dr. Ahmad earned an undergraduate degree in engineering while playing 4 years of Division 1 varsity soccer at nationally ranked Columbia University. He lives in Manhattan with his wife and three children.