Dr. Gregory Wallman

Tony J. Nahhas, MD, a specialist in internal medicine at Endeavor Health, provides comprehensive care for adults with a focus on chronic disease management, aging-related conditions and preventive health. With 30 years of experience, he supports patients in managing diabetes, maintaining wellness and addressing gender-specific health needs. Dr. Nahhas speaks Arabic and English, allowing him to connect with a diverse patient population. Dr. Nahhas is rated as an Advanced provider by MediFind in the treatment of Benign Paroxysmal Positional Vertigo. His top areas of expertise are Vitamin D Deficiency, Type 2 Diabetes (T2D), Benign Paroxysmal Positional Vertigo, and Maturity Onset Diabetes of the Young.

John M. Sultan, MD, an internal medicine physician at Endeavor Health, provides primary care for adults with an emphasis on integrative medicine. He combines conventional treatments with evidence-based complementary approaches to support patients’ overall health and long-term wellbeing. Dr. Sultan is rated as a Distinguished provider by MediFind in the treatment of Benign Paroxysmal Positional Vertigo. His top areas of expertise are Irritable Bowel Syndrome (IBS), Chronic Cough, Coronary Heart Disease, and Atrioventricular Nodal Reentrant Tachycardia (AVNRT).

Jefferson Schott, DO, an internal medicine physician at Endeavor Health, provides primary care to adults 18 and older. He emphasizes preventive care, including vaccinations and cancer screenings, and prioritizes patient involvement in shared decision-making. With a focus on early diagnosis and minimizing unnecessary testing, Dr. Schott strives to create a welcoming, efficient office experience that supports long-term health and wellbeing. Dr. Schott is rated as a Distinguished provider by MediFind in the treatment of Benign Paroxysmal Positional Vertigo. His top areas of expertise are Lymphofollicular Hyperplasia, Toxic Nodular Goiter, Chronic Cough, and Sitosterolemia.