Physicians and Staff
Robert A. Hanson, DO FACOI
Dr. Robert Hanson attended Michigan State University for his bachelors, graduate and medical school education. He graduated medical school in 2005. He underwent internship training at Henry Ford hospital, in Detroit, Michigan, and went on to complete his Internal medicine residency (2008) and Cardiology fellowship (2011) at Pontiac Osteopathic Hospital, in Pontiac Michigan.
His other interests include Tropical and Travel Medicine. He has been actively involved in clinical and laboratory based research and has received 2 research scholarships from the National Institutes of Health (NIH) and has conducted collaborative research with the Centers for Disease Control and Prevention (CDC).
Dr. Hanson served in the U.S. Air force from 1987-1991 (Desert Shield / Storm). After his honorable discharge, he attended Michigan State University to further his education. He served as the Director of Cardiovascular Services at the Battle Creek and Wyoming Michigan Veteran's Affairs Hospital for about 2.5 years prior to joining us. He is board certified in Internal and Cardiovascular Medicine and is a strong advocate of disease prevention through healthy lifestyle and nutritional choices.
Abhishek C Sawant, MD, MPH, FACC
Dr. Abhishek C. Sawant completed his graduate school at the State University of New York at Buffalo where he received his Masters in Public Health. He continued his training in Internal Medicine Residency and Cardiovascular Disease Fellowship at the State University of New York at Buffalo as well. He further completed his Interventional Cardiology Fellowship at the University of Arizona School of Medicine/ Banner University Medical Center in Phoenix, Arizona where he served as the Chief Interventional Fellow. He completed an additional 1-year advanced Structural Heart Disease Fellowship at the University of Arizona School of Medicine where he received training in Transcatheter Aortic Valve Replacement (TAVR), MitraClip/ Transcatheter Mitral Valve Replacement (TMVR), Left Atrial Appendage Closure/Watchman, Atrial Septal Defect ASD) and Patent Foramen Ovale (PFO) closures. Dr. Sawant is Board certified in Internal Medicine, Cardiovascular Diseases and Interventional Cardiology. Additionally, he is also board certified in Nuclear Cardiology as well.
Dr. Sawant was awarded a 2-year Electrophysiology Research Fellowship at the Johns Hopkins Hospital in Baltimore, Maryland. Dr. Sawant is passionate about patient centered research and has participated in several clinical trials and authored numerous publications. He is also a reviewer in several peer-reviewed journals. Dr. Sawant's research has been referenced in the American Heart Association, American College of Cardiology and the European Society of Cardiology Clinical Guidelines. He was also a distinguished speaker at the Heart Rhythm Society 36th Annual Scientific Session in Boston, Massachusetts. Dr Sawant has been awarded several grants and awards/honors including the Young Investigator Award at the 2014 Annual Northwestern Cardiovascular Conference in Chicago, Illinois.
Dr. Sawant has more than 15 years of clinical experience and was Clinical Instructor in Medicine at UCSF Fresno in Fresno, California for 5 years. He is passionate about teaching medical students, residents and cardiology fellows and is currently appointed as Clinical Assistant Professor of Medicine at the University of Arizona School of Medicine in Phoenix, Arizona. In his spare time Dr. Sawant loves hiking and bicycling with his family.
Katherine E. Reynolds, FNP-C
Katherine Reynolds is a Certified Family Nurse Practitioner. She is originally from Illinois where she attended Illinois State University to earn a Bachelor’s Degree in Nutrition. She returned for a second Bachelor’s of Science in Genetic Biology. Katherine became a Registered Nurse in 2010 after receiving an Associates Degree in Nursing from Parkland College in Champaign, Illinois. She has practiced as an Registered Nurse across multiple specialized units at Advocate Bromenn Hospital in Normal Illinois. In 2014, Katherine and her family moved to Arizona where she worked at Mercy Gilbert Medical Center until earning her Master’s Degree in Nursing from Grand Canyon University in 2019 to become a Family Nurse Practitioner. She is passionate about empowering patients with knowledge to make educated choices for their own health. Katherine enjoys reading mysteries, traveling to new places and spending time with her husband and children.
Sarah Hanson, MSN, FNP-C
Sarah Hanson is a dedicated and experienced healthcare professional with over eight years of nursing experience. She earned her Bachelor of Science in Nursing from Davenport University in Michigan in 2017 and began her career in the Neuro ICU at Spectrum Health in Grand Rapids, MI. In 2018, she moved to Arizona to escape the cold and continued her nursing career at Mercy Gilbert Medical Center, working in Neuro/Telemetry as both a floor nurse and charge nurse.
Sarah earned her Master of Science in Nursing – Family Nurse Practitioner from Chamberlain University. In the same year, she obtained national certification from the American Association of Nurse Practitioners (AANP). She is a licensed and board-certified Family Nurse Practitioner, with a specialty focus in cardiology. She is dedicated to providing patient-centered cardiovascular care, emphasizing disease prevention, chronic condition management, and overall heart health. Her passion for cardiology allows her to deliver comprehensive care helping patients improve their well-being through education, lifestyle modifications, and advanced treatment options.
In her free time Sarah loves to cook, travel and hike new areas. She enjoys time at home with her husband and 2 dogs, Lobo Diablo and Pinto.
