About
David Zekser, MD is a board-certified internist with twenty years of clinical experience. He earned his Doctorate of Medicine from Universidad Central Del Caribe, an LCME-accredited American medical school in Bayamon, Puerto Rico, graduating in 2001. He completed both his internship and Internal Medicine residency at St. Luke's Roosevelt Hospital in New York, then served as Chief Resident from 2004 to 2005.
Early in his career, Dr. Zekser worked at some of New York's most prominent hospitals, including Mount Sinai, Beth Israel, New York Presbyterian, St. Luke's, and Columbia. He also held a partnership in a New York private practice before moving to Boca Raton in 2008. He holds a Diplomate certification from the American Board of Internal Medicine and practices in both English and Spanish. Fort Lauderdale Magazine named him Best Doctor in 2020. He is passionate about integrating healthy eating, physical activity, and lifestyle choices into patient care. He also created a weight loss program from the ground up and regularly helps patients reach their weight goals. His clinical focus covers everything from acute injuries and infections to chronic conditions including diabetes, hypertension, HIV, dementia, depression, and anxiety.
Education & Training
Undergraduate
Hofstra University, Hempstead, NY - Bachelor of Arts, 1989
Medical School
Universidad Central Del Caribe (LCME accredited American Medical School), Bayamon, PR - Doctorate of Medicine, 2001
Residency
Internal Medicine Residency, St. Luke's Roosevelt Hospital, NY, 2002-2004
Additional Training
Internship, St. Luke's Roosevelt Hospital, NY, 2001-2002; Chief Resident, St. Luke's Roosevelt Hospital, NY, 2004-2005
Certifications
Languages
English, Spanish
Conditions Treated
Who is Dr. Zekser right for?
Dr. Zekser is a strong fit for adults managing chronic conditions such as diabetes, hypertension, high cholesterol, or HIV. Patients seeking an internist who weighs lifestyle factors alongside clinical data will find his approach well-matched. Those working toward weight loss benefit from the structured program he developed. He also serves patients navigating mental health concerns like depression and anxiety alongside physical health needs. His practice suits adults who want a primary care physician fluent in both English and Spanish.
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Frequently Asked Questions
Dr. Zekser treats a broad range of conditions spanning acute and chronic care. His clinical focus includes diabetes, hypertension, high cholesterol, HIV, dementia, depression, and anxiety. He also addresses acute injuries and infections. Preventive medicine and wellness round out his scope of care.
Yes. Dr. Zekser holds a Diplomate certification from the American Board of Internal Medicine. He earned his Doctorate of Medicine from Universidad Central Del Caribe in Puerto Rico and completed his residency at St. Luke's Roosevelt Hospital in New York, where he also served as Chief Resident.
Yes. Dr. Zekser sees patients in both English and Spanish. This makes him a strong option for Spanish-speaking adults in the Boca Raton area who prefer to discuss their health in their primary language.
Dr. Zekser developed a dedicated weight loss program from the ground up. He incorporates healthy eating, physical activity, and lifestyle changes into his recommendations. He regularly works with patients to help them reach their specific weight goals.
Dr. Zekser trained at St. Luke's Roosevelt Hospital in New York, completing both his internship and Internal Medicine residency there. He served as Chief Resident from 2004 to 2005. Early in his career, he worked at prominent New York hospitals including Mount Sinai, Beth Israel, New York Presbyterian, St. Luke's, and Columbia.
Yes. Fort Lauderdale Magazine named Dr. Zekser Best Doctor in 2020. He brings over two decades of clinical experience to his Boca Raton practice.
Yes. Dr. Zekser tailors his recommendations to each patient's age, mobility, work schedule, and family and social responsibilities. He does not apply a one-size-fits-all approach. Every care plan reflects the individual circumstances of the patient.
Doctor profile last updated March 21, 2026