Jose Aguirre, MD, SFHM


Dr. Jose Aguirre is renowned for his unwavering commitment to enhancing the quality of medical care, nurturing loyal and effective teams, and driving revenue optimization in healthcare. His professional journey is marked by significant contributions to the transformation of healthcare programs on a national scale. A visionary in the medical field, Dr. Aguirre established a healthcare initiative in 2007 that witnessed remarkable growth, leading to a pivotal merger that resulted in the creation of one of the nation’s largest providers of acute care physician services.


As the President of Hospital Medicine for NES Health, Dr. Aguirre’s leadership and strategic direction were instrumental in the supervision of an extensive network of clinicians across numerous acute care and long-term care facilities. His role was critical in shaping the organization’s trajectory, fostering its expansion, and cementing its success in the healthcare sector.

In his current position as the CEO of NES Health, Dr. Aguirre continues to leverage his extensive expertise and experience. He is dedicated to ensuring the delivery of top-tier hospitalist services across the organization’s extensive network of client hospitals. Dr. Aguirre’s approach is characterized by his commitment to innovative strategies, the cultivation of strong relationships with clinicians, hospital partners, staff and stakeholders, and a constant drive towards excellence in healthcare provision.

Dr. Aguirre’s distinguished career is a testament to his profound impact on the healthcare industry, demonstrating a unique blend of leadership, innovation, and dedication to quality care.

Steven Wexler, MD, FAAEM

Chief Medical Officer, Regional Medical Director

As Chief Medical Officer for NES Health, Dr. Steven Wexler brings a wealth of clinical knowledge and leadership to the organization. Guiding physician leadership, Dr. Wexler shapes the overall clinical vision for NES Health, ensuring the delivery of high-quality healthcare services across all client hospitals. In addition to his role as CMO, Dr. Wexler has served as Regional Medical Director for the past seven years and as Medical Director for Day Kimball Hospital in Putnam, Connecticut. Prior to joining NES Health, he held positions as Assistant Director and Quality Director for the Waterbury Hospital Emergency Department in Connecticut. Dr. Wexler also contributed to medical education as an Assistant Clinical Instructor for Columbia University College of Physicians and Surgeons while working as the Assistant Residency Director for the St. Luke’s-Roosevelt Emergency Medicine Residency Program. He received his medical degree from Albert Einstein College of Medicine in 1993 and completed his internship in Internal Medicine at Montefiore Hospital in Bronx, New York. Dr. Wexler then finished his residency and chief residency in emergency medicine at Jacobi Hospital, also in the Bronx.

Nicole Bergen, MBA

Chief Operating Officer

Before joining NES Health, Bergen served as VP of Operations at Alteon Health, overseeing Emergency Medicine, Hospital Medicine, and Critical Care contracts in Maryland, Virginia, DC, and West Virginia. She also held the role of Director of Operations, managing the practice’s human resources, recruitment, credentialing, central scheduling, and general administrative support functions. As a highly experienced leader, Bergen has a proven track record in healthcare. Her accomplishments range from enhancing key performance metrics to integrating hospital service lines and leading company-wide projects and programs. She has held various HR roles, including HR Business Partner, HR Manager, and Regional HR Manager. As Chief Operations Officer of NES Health, Nicole Bergen leads the Operations team in executing client retention and growth strategies. Additionally, she heads the Human Resources team, focusing on optimizing employee relations and internal processes.

Neil Schamban, MD

VP of New Business Development

Dr. Schamban, an Emergency Medicine Physician, started his career in academics as the Division Chairman of Newark Beth Israel Medical Center, overseeing both the adult emergency department and Children’s Hospital. He later founded Pegasus Emergency Group in Alabama, which by 2013 had provided care to hundreds of thousands of patients across the Southeastern United States. Afterward, Dr. Schamban contributed to the significant growth of Island Medical as a national platform for emergency medicine. Dr. Schamban is dedicated to ensuring quality care for all patients and to fostering a positive work environment for healthcare providers. He is particularly passionate about addressing opiate addiction and helping patients achieve better outcomes for a more fulfilling life. As NES Health’s VP of New Business Development, Dr. Schamban focuses on expanding the organization’s nationwide presence through new account acquisition and strengthening existing partnerships by working closely with physician leaders. With his valuable experience and dedication, Dr. Schamban plays an integral role in NES Health’s growth and success.