Resources for Physicians and Residents at Scottsdale Healthcare

Our Faculty

The Family Medicine Residency Program benefits from a large and varied faculty, including more than 100 Scottsdale Healthcare volunteer medical staff physicians. Full-time Heuser Family Medicine Center faculty are listed below. 


Dr. Cynthia L. KegowiczCynthia L. Kegowicz, M.D. 

Program Director 

Cynthia Kegowicz attended Georgetown University where she received a Bachelor of Science in Nursing and attended Georgetown University School of Medicine. She completed her family medicine residency at Scottsdale Healthcare, followed by a Faculty Development Fellowship at the University of Arizona. Dr. Kegowicz joined the faculty in 1999. She is an Assistant Professor of Clinical Family and Community Medicine at the University of Arizona College of Medicine as well as an Adjunct Assistant Professor for the Midwestern University Arizona College of Osteopathic Medicine. Dr. Kegowicz was chosen as the Arizona nominee for the American Academy of Family Physicians Exemplary Teaching Award in 2009. Her passion for resident education made her transition to program director this past fall an easy one and she is thrilled to be leading the program into the future. Dr. Kegowicz's academic interests include OB and women's health, adolescent medicine, pediatrics, and patient education. Her husband, Alex Onofrei, MD, is also a graduate of the Scottsdale Healthcare Family Medicine Residency Program. They are the proud parents of Megan, their school age daughter. Dr. Kegowicz's hobbies include cooking, gardening, shopping and travel.


Dr. Marvin Moe BellMarvin Moe Bell, M.D., M.P.H.

Associate Director 

Moe Bell graduated from Occidental College with a Bachelor of Arts in Chemistry and attended the University of Southern California Medical School. Dr. Bell returned to his hometown of Scottsdale to complete his residency and joined the faculty in 1985. He received a Master's of Public Health degree in 1999 from the Arizona Graduate Program in Public Health. Dr. Bell has pursued interests in preventive medicine, health promotion, and hyperlipidemia, resulting in a number of publications including a book titled "Wellness Prescriptions...Simple Steps to a Longer, Healthier Life." He currently serves as medical director of Scottsdale Healthcare's Community Health Services, and is a Clinical Professor in the Department of Family and Community Medicine at the University of Arizona College of Medicine. Dr. Bell’s recent interests include geriatrics, palliative care, and quality improvement. He and his wife, Carrie, have two children, Brian and Emily. Dr. Bell has climbed to the highest point of all 50 states and keeps in shape biking, hiking, birding, or climbing fourteeners.


Dr. Robert A. MarlowRobert A. Marlow, M.D., M.A.

Associate Director 

Robert A. Marlow graduated from the University of Colorado with a Bachelor of Arts in mathematics and attended the University of Colorado School of Medicine. He completed his family practice residency at the University of Colorado Medical Center in Denver. Dr. Marlow completed an academic family medicine fellowship at the Family Practice Faculty Development Center of Texas and has a Master’s degree in statistics from Arizona State University. Among other duties, he serves as our Director of Research and has experience as an editorial board member of a family medicine journal. He is also a Professor of Clinical Family and Community Medicine at the University of Arizona College of Medicine. Dr. Marlow and his wife, Loraine, have two daughters, Courtney and Kimberly. Courtney is teaching a junior high special education class in the Phoenix area and Kimberly received her degree in biology, is married, and lives in Ohio. Dr. Marlow’s hobbies include guitar, music recording/editing, computers, reading, and movies.


Darlene MoyerDarlene Moyer, M.D. 

Associate Director 

Dr. Darlene Moyer graduated from Lycoming College with a Bachelor of Science in Biology and attended George Washington University School of Medicine. She completed her family medicine residency at Scottsdale Healthcare in 2008 where she served as Chief Resident and won multiple clinical and academic awards as a resident physician. Dr. Moyer completed a Faculty Development Fellowship at the University of Arizona and has published some of her scholarly work in the Journal of Family Practice. Following residency, she spent three years working for Scottsdale Healthcare as a Hospitalist. During her years as a Hospitalist, she served as a part-time faculty member in both the inpatient and outpatient settings for our residency program. Dr. Moyer became one of our full-time Associate Directors this year. Her clinical interests include hospital-based medicine, geriatrics, and chronic disease management. She actively participates in the hospital Ethics Committee, Graduate Medical Education Committee and in the hospital EMR transition process. In her free time she enjoys spending time with her husband, Brian, and her family and friends. Her hobbies include hiking, traveling, reading, scuba diving, and spending time outdoors.


Dr. Javier A Zayas-BazanJavier A Zayas-Bazan, M.D.

Associate Director 

Javier Zayas-Bazan attended the University of Nevada, Las Vegas where he received a Bachelor of Science in Biology. He stayed in Nevada, attending the University of Nevada School of Medicine then moved to Arizona and completed his Family Medicine Residency training at Scottsdale Healthcare, serving as chief resident during his final year. He earned multiple clinical accolades during this time and has since completed a Faculty Development Fellowship through the University of Arizona. Since completing his training, Dr. Zayas-Bazan has worked in Tennessee, helping to stabilize a struggling hospitalist program before moving back to Arizona at the completion of his wife’s fellowship training. He continued his work as a hospitalist upon his return and began teaching Family Medicine residents on the Inpatient Teaching Service before transitioning to a full-time faculty position within the program. Dr. Zayas-Bazan’s academic interests include inpatient medicine, obstetrics, and resident didactics. When he is not working, Dr. Zayas-Bazan enjoys cooking, spending time with his wife, Kristina, a pediatric sports medicine specialist, and their lovely daughter, Lilliana. He loves the fall and winter months, not just because of the great weather, but because it means football season is here!


Wendy Danto EllisWendy Danto Ellis, DHed, M.C., L.P.C.

Behavioral Science Director 

Wendy Ellis is the Behavioral Health Director for Scottsdale Healthcare. She is a graduate of the University of Massachusetts (B.A. Psychology), Arizona State University (Master of Counseling) and A.T. Still University School of Health Management (Doctorate in Health Education). She is a Licensed Professional Counselor and is a Clinical Instructor of Family and Community Medicine at the University Of Arizona College Of Medicine and serves as the Behavioral Health Director for our Family Medicine Residency. She divides her professional activities between Graduate Medical Education and oversight and integration of outpatient behavioral health services. Dr. Ellis’ clinical and academic interests include collaborative and relationship centered care, enhancing coping and adjustment to chronic and critical illness, change management, as well as the impact of the Electronic Medical Record on the doctor-patient relationship. She is co-author of the book “Relationships are Everything”. In her free time she enjoys movies, reading, photography, writing, cooking, traveling, and spending time with friends, family, her husband, Larry, and their dogs.


Dr. Richard RutkowskiRichard Rutkowski, M.D. 


Dr. Richard Rutkowski rejoined the faculty of Scottsdale Healthcare Family Medicine Residency in 2013. He is a native of IL, graduated with honors from the College of the University of Chicago, received his MD degree from the University of Chicago Pritzker School of Medicine, and completed a family medicine residency at Hinsdale Hospital in IL, where he served as Chief Resident. Dr. Rutkowski practiced in the suburbs of Chicago and was also involved in resident education before moving to AZ in 2001. In AZ, he continued direct patient care and teaching of medical students and resident physicians at Scottsdale Healthcare from 2001 to 2009. For the next four years, Dr Rutkowski was a Senior Associate Consultant in the Department of Family Medicine at Mayo Clinic Arizona and an Instructor in the Mayo Medical School. He is a Clinical Assistant Professor of Family, Community, & Preventive Medicine at the University of Arizona College of Medicine in Phoenix and is board-certified by the American Board of Family Medicine. In June, 2013, Dr Rutkowski returned to Scottsdale Healthcare. He is married and has two children. His medical interests include preventive medicine, office procedures, and patient education.


Additional Faculty 

  • Rahul Athalye, MD (Family Medicine, Inpatient) 
  • Jeffrey Baird, MD (Family Medicine, Inpatient) 
  • Frederick Dicke, MD (Family Medicine, Inpatient) 
  • Glenn Hinchman, MD (Family Medicine, Inpatient)
  • Peter Levins, MD (Family Medicine, Inpatient) 
  • Mark Mederios, MD (Family Medicine, Outpatient) 
  • David Rashduni, MD (Cardiology, Inpatient) 
  • Joseph Summers, MD (Family Medicine, Outpatient) 
  • Alan Tenaglia, MD (Cardiology, Inpatient) 
  • Krisnaswami Vijayaraghavan, MD (Cardiology, Inpatient) 
  • Alvin Wong, DO (Internal Medicine, Inpatient) 

Our OB/GYN Faculty (all are Boarded in Obstetrics and Gynecology) 

  • Kudzai Dombo, MD 
  • Kathleen Horowitz, MD 
  • Deborah Rowan, MD 
  • Khai-Ling Tan, MD

Additionally, we have over 120 community physicians (primary care and specialists) who enthusiastically participate as voluntary residency preceptors for our program.