Family Medicine Residency Program

Hussein Saghir, DO, MPH, is board certified in family medicine, sports medicine and osteopathic manipulative treatment. He was born and raised in Dearborn, Michigan. He obtained his medical degree from Michigan State University College of Osteopathic Medicine and completed his residency training in family medicine at Michigan State University/Ascension Genesys. Dr. Saghir went on to complete his sports medicine fellowship at Wayne State University School of Medicine/Detroit Medical Center where he provided care to Detroit’s professional sports teams. After completing his fellowship, Dr. Saghir returned to Flint where he served as Associate Program Director and Assistant Professor at Michigan State University College of Human Medicine/McLaren-Flint Family Medicine Residency Program. Dr. Saghir’s extensive experience in serving vulnerable populations in Flint, particularly during and after the Flint water crisis, compelled him to champion social, economic and health equity and further solidified his commitment to a career in public advocacy and health policy. He was most recently named a Commonwealth Fund Fellow in Minority Health Policy at Harvard University where he obtained his MPH in health management with a concentration in public health leadership. As program director at Authority Health, Dr. Saghir plans to continue his work in graduate medical education while recruiting and training the best and brightest minds. He hopes to use his medical and public health training to continue championing health equity in Detroit while inspiring doctors in training to provide continuity of care and the integration of health services to communities in need.

Hassan Saghir, MD is board certified in family medicine and addiction medicine. He was born and raised in Dearborn, Michigan. He obtained his medical degree from Wayne State University School of Medicine and completed his residency training in family medicine at Wayne State University as well. Dr. Saghir went on to practice family medicine in and around Detroit for the past 13 years. During his practice, he encountered a significant need for addiction medicine and became MAT waiver certified. His passion drove him to seek board certification in addiction medicine and a significant portion of his practice is now dedicated to treating substance use disorder. Dr. Saghir has always had a passion for teaching and has taught medical students from Wayne State University School of Medicine and Michigan State University. He has a passion for caring for underserved communities and seeks to bring his wealth of experience in treating substance use disorder and passion for teaching to Authority Health.

Cathy Smart is a graduate of Eastern Michigan University, where she received a BS in health care administration. After graduating and successfully completing her internship, Cathy launched her career at Authority Health and has served in the role of family medicine residency coordinator for the past five years. She is passionate and committed to her career in Graduate Medical Education. Her abilities are a product of diverse training courses in past years. She has learned that execution, energy and commitment to others are key. The skill set acquired in her current position has granted her the ability to adapt quickly in any environment and has enabled her to build a stable foundation for Authority Health’s Family Medicine Residency Program. Outside of work, Cathy enjoys spending time making memories with family and friends.

Nathaline Chiu, MD, MPH is one of the chief residents for the Authority Health Family Medicine residency program. She was born and raised in Toledo, Ohio. She received her Master of Public Health in Epidemiology from the University of Toledo School of Medicine before going on to receive her medical degree from the American University of the Caribbean School of Medicine. She’s not sure yet where she wants to practice next year, but she is very passionate about helping underserved communities and being the kind of doctor that her patients can rely on and build strong relationships with. Outside of residency, she likes to sing on the worship team at church, do Zumba, and spend quality time with family and friends.

Laith Khalil, DO is one of the chief residents for the Authority Health Family Medicine residency program. He was born and raised in Detroit, Michigan. He obtained his medical degree from Michigan State University College of Osteopathic Medicine and is a third year family medicine resident at Authority Health. He is an institutional chief at Authority Health GME and works towards advocating for high quality learning and patient safety by facilitating communication between administration and resident concerns. He is a MAFP resident ambassador with a focus on advocating for the continued promotion and success of Family Medicine in the state of Michigan and beyond. As a chief resident he is passionate about teaching junior residents and medical students and ensuring access to learning opportunities. He has a passion for caring for underserved communities and evidence based compassionate care. He looks forward to implementing the experience and skills he has learned in residency in his future career.