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.
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.
Margaret (Molly) Hanser, FNP-C
Molly is a devoted and compassionate Family Nurse Practitioner with a strong commitment to patient-centered care. She combines clinical expertise with a warm, empathetic approach that helps patients feel heard, supported, and confident in their care journey.
She earned her Bachelor of Science in Nursing from Carroll College in Montana and began her nursing career at St. Vincent’s Health. Over the next six years, she gained extensive experience across multiple specialties, including ICU, telemetry, and PACU at the University of California.
Driven by her dedication to advancing patient care, Molly went on to complete her Master of Science in Nursing from Herzing University. She is board certified as a Family Nurse Practitioner through the American Academy of Nurse Practitioners.
Her passion for cardiology began early in her career, while caring for postoperative open-heart surgery patients. Witnessing the remarkable physical and emotional recovery of these patients—and the vital role of specialized cardiac care—inspired a lifelong commitment to heart health. This experience continues to guide her practice as a cardiology nurse practitioner today.
Outside of work, Molly cherishes time with her husband and their sweet one-year-old son, making the most of every moment together.
Steven Baik, DNP, FNP-C
Steven has been dedicated to the nursing profession since 2015, he brings extensive cardiovascular expertise and a deep commitment to patient-centered care. Steven earned his Doctorate in Nursing Practice (DNP) from the University of Arizona in 2023 and joined East Valley Cardiology in 2025 after a decade of service at the Mayo Clinic in Phoenix.
Throughout his career, Steven has provided expert care for patients with complex cardiac conditions, including myocardial infarction, atrial fibrillation, heart transplant, and advanced heart failure. His practice philosophy emphasizes preventive cardiology and empowering patients to take an active role in maintaining their heart health.
Originally from California, Steven moved to Arizona during high school and now resides in Mesa with his wife, an elementary school teacher, and their three sons—Jordan, Ethan, and Matthew. Having completed his early education in South Korea, he is bilingual in English and Korean, which allows him to connect effectively with patients from diverse backgrounds.
As an active member of the American Association of Nurse Practitioners, Steven serves as President of the Arizona Korean Nurses Association, where he leads efforts to improve public health and expand healthcare accessibility for Arizonans facing language barriers.
Education
- Doctor of Nursing Practice, Family Nurse Practitioner Program – University of Arizona
- Bachelor of Science in Nursing – Grand Canyon University
- Bachelor of Science in Finance – Arizona State University
