Hans also provided primary medical care to adults with various disabilities at the Center for Developmental Disabilities. In this part-time role, he worked alongside an on-site MD. Hans also worked at New York Hospital Queens Care for the Homeless. He served as the sole medical practitioner and team leader of a grant-funded group, offering medical and social services to individuals in shelters and soup kitchens. He provided comprehensive care to children and adults, including minor trauma, surgery, primary care, and gynecology. Hans coordinated team functions and consulted with MDs when needed.

Hans gained valuable experience in emergency medicine early in his career. He worked as a Physician Assistant in Emergency Medicine at Our Lady of Mercy Medical Center, serving as the primary practitioner in the "stat clinic" area of the ER for medical and surgical patients.

Prior to that, he worked in the same capacity at The Brooklyn Hospital, Caledonian. He also served as a Physician Assistant in Emergency Medicine at City Hospital Elmhurst. Before his emergency medicine roles, Hans worked in various healthcare settings, including a methadone clinic, an inner city clinic, and the Rikers Island medical service.

Hans pursued his education at Touro College, where he earned a Bachelor of Science in Physician Assistant Training Health Sciences. He was a co-representative of his class. He also holds a Master of Arts in Community Health Education from Adelphi University. During his time at Adelphi, he was a member of Eta Sigma Gamma. Hans earned his Bachelor of Arts in Biology from Adelphi University, graduating summa cum laude.

Throughout his career, Hans has received recognition for his contributions to healthcare. In 2001, he received the Wholeness of Life Award from the New York City Chaplaincy. In 1999, he was honored with the Health Care Advocacy Award from HANYS (Healthcare Association of New York State).