Americas Doctor

Essential Group physicians execute clinical research at more than 120 sites in the United States. The company provides pharmaceutical and biotech companies and contract research organizations an exclusive source for conducting phase II-IV clinical research in the four therapeutic areas of urology, gastroenterology, central nervous systems and women's health. More than 350 central nervous system trials, 460 gastroenterology trials, 575 urology trials and 290 women s health trials have been conducted by the organization. By integrating a private-practice physician network, site management and a patient recruitment program, Essential Group provides services needed to execute clinical trials. Headquartered in Gurnee, Ill., Essential Group was founded in 1994 by a group of physicians.

Stephen Spontak, MD is an independent emergency medicine specialist affiliated with Northwestern Medicine Physician Network and on the medical staff at Palos Hospital. With over 30 years of experience, Dr. Spontak received his medical education from the University of Illinois at Chicago College of Medicine and completed his residency at the University of Cincinnati Medical Center College of Medicine. Fluent in Spanish, he is board certified by the American Board of Emergency Medicine. Dr. Spontak is dedicated to providing high-quality emergency medical care and is committed to the well-being of his patients. He is part of Emergency Medical Associates of Palos and is aligned with Northwestern Medicine, ensuring that patients receive comprehensive and compassionate care.Generated from the website

Richard R. Clark, MD, is a highly rated family medicine physician affiliated with Northwestern Medicine in Gurnee, IL. With a focus on acute and preventative care, Dr. Clark is known for his thoroughness, professionalism, and genuine concern for his patients' well-being. Dr. Clark's practice encompasses a wide range of services, including adult and pediatric medicine, diabetes management, and hypertension care. His commitment to patient-centered care is reflected in the consistently positive feedback he receives from those he treats. Generated from the website