Meet Our Core Clinical Faculty

David D. Lick, M.D., MBA, MPH, FAAFP
Program director
Interim chair, department of family medicine
Professor, Oakland University William Beaumont School of Medicine

David Lick, M.D., MBA, MPH attended Ohio State University, where he received his bachelor of science degree in chemical engineering. He then moved back to his hometown of Toledo, Ohio, and obtained his medical degree from the Medical College of Ohio. He completed his family medicine residency at Corewell Health Beaumont Troy Hospital, the primary care faculty development fellowship at Michigan State University, received his MBA through The University of Texas at Dallas and his MPH at Harvard University. After working in private practice for several years he rejoined the residency as a full-time faculty member in 2005 and has served as Program Director since 2009. He has academic appointments through Wayne State University School of Medicine, Michigan State University College of Osteopathic Medicine, and the Oakland University William Beaumont School of Medicine, where he is a professor. He serves as the team physician for Troy Athens High School. His professional interests include hospital medicine, sports medicine, epidemiology, and procedures. He enjoys reading, spending time with his family and friends and, of course, watching Ohio State football. 

Elie Mulhem, M.D.
Professor and Chair, Department of Family Medicine and Community Health, Oakland University William Beaumont School of Medicine

Dr. Elie Mulhem earned his medical degree from Damascus University in Syria and completed his residency in family medicine at the University of Minnesota in Minneapolis. He serves as the Chief of the Department of Family Medicine at Corewell Health William Beaumont University Hospital. As a faculty member, Dr. Mulhem oversees the scholarly activity, evidence-based medicine, and Obstetrics curriculum within the residency program. He also initiated and manages the Gynecology Procedures Clinic at the Family Medicine Center in Troy, and he leads the population health research program in collaboration with OUWB. In addition to his role as a Professor at Oakland University William Beaumont School of Medicine, Dr. Mulhem is an associate editor for Cochrane Clinical Answers from the Cochrane Library. Outside of his professional commitments, he and his wife enjoy hiking, traveling, and spending quality time with their sons.

Srikala Yedavally-Yellayi, D.O.
Family medicine clerkship director, OUWBSOM
Global Health Co-director, OUWBSOM
Family medicine residency faculty, Corewell Health Troy
Associate Professor, Oakland University William Beaumont School of Medicine

Srikala Yedavally-Yellayi, D.O., FAAFP, MEd, attended Wayne State University and received her bachelor of science in medical technology.  She graduated from Michigan State University College of Osteopathic Medicine.  After completing an osteopathic internship at Detroit Osteopathic/Bi-County Community Hospital, she completed her family medicine residency at Oakwood Hospital, Dearborn, Michigan, where she also served as chief resident. Dr. Yedavally has a master’s degree in education from University of Pennsylvania. She was a family medicine faculty at Oakwood for nine years where she had a special interest in domestic violence and was a physician volunteer at a shelter for women and children.  Dr. Yedavally joined the faculty at Corewell Health Hospital, Troy Family Medicine Residency Program in 2008 where she served as the osteopathic director of medical education for 8 years and is now the clerkship director for Oakland University William Beaumont School of Medicine. Dr. Yedavally is also a global health co-director for Oakland University William Beaumont School of Medicine and has participated in several medical missions in Peru and Belize. She is also an active member of the Ethics Consult Service at Corewell Health Troy and has a special interest in palliative care. Dr. Yedavally holds clinical appointments at Wayne State University School of Medicine, Michigan State University College of Osteopathic Medicine, and Oakland University William Beaumont School of Medicine.  Dr. Yedavally is married and has three children.

Megan Andrzejak-Riedy, D.O.
Faculty

Megan Andrzejak-Riedy, DO attended undergrad at Michigan State University where she received a bachelor’s degree in genomics and molecular genetics. She then went on to obtain her master’s degree in biomedical sciences at Midwestern University prior to going to Medical School at the Chicago College of Osteopathic Medicine. She completed her family medicine residency at MidMichigan Medical Center in Midland, MI. After residency, Dr. Andrzejak-Riedy completed a fellowship in maternal and newborn health at Corewell Health Wayne. Her professional interests include women’s health, obstetric care, preventative medicine, and medical education. Outside of work Dr. Andrzejak-Riedy enjoys reading, hiking, biking, traveling, and supporting the Michigan State Spartans.

Amy D'Onofrio, RN, BSN, CMSRN
Nursing supervisor

Amy D'Onofrio, RN, BSN, RN-BC, CMSRN, obtained an associate’s degree in nursing from Oakland Community College and bachelor’s degree from Oakland University. She has spent her entire nursing career working with residents in residency programs affiliated with Corewell Health Hospital and Henry Ford Hospital. Her past clinical experiences include: internal medicine, general surgery, urology, orthopedics, colon/rectal, hand, plastic, and reconstructive surgery. Achievements include specialty certifications in Registered Nurse Board Certified Ambulatory Care Nursing (RN-BC), Medical-Surgical Nursing (CMSRN). In her spare time, she enjoys snowmobiling in Michigan’s Upper Peninsula, cooking, gardening, and boating.

Ruzica Dzebo, M.D.
Medical director
Assistant professor, Oakland University William Beaumont School of Medicine

Ruzica Dzebo, M.D. received both her undergraduate and medical degrees from Wayne State University.  She completed her family medicine residency at Corewell Health Troy in 2009.  She was in private practice for four years in Port Huron, Michigan.  During that time, she continued to be involved with Beaumont Health System where she enjoyed seeing patients and teaching residents and medical students.  In 2013, she joined Family Medicine Center as a full time faculty and medical director.  She is an assistant professor at Oakland University William Beaumont School of Medicine.  She speaks Serbian and understands most Slavic languages.  She enjoys traveling, reading, watching sports and movies, but most of all spending time with her family.  Dr. Dzebo is married and has two children.

Hany Eraqi, MD
Faculty
Assistant professor, Oakland University William Beaumont School of Medicine

Dr. Hany Eraqi graduated from Wayne State University School of Medicine and completed his residency at the Corewell Health Troy Hospital Family Medicine Residency Program in 2020. He was faculty at Ascension St. John Hospital Family Medicine Residency until he was appointed to clinical faculty at the Corewell Health Troy Family Medicine in 2021. He currently practices both inpatient and outpatient medicine along with obstetrics. His interests include women’s health, obstetrics, ultrasound, and office procedures. He enjoys spending time with his wife and children, visiting museums, playing board games, cooking, and traveling.

Jessica Heselschwerdt, MD
Faculty
Assistant professor, Oakland University William Beaumont School of Medicine
Jessica attended University of Michigan, where she received her bachelor's degree in psychology, and then obtained her medical degree from the Wayne State School of Medicine. She completed her family medicine residency in University of Texas, Austin, and then after working for a small group practice for two years, moved back to Michigan. She practiced at Michigan State University in East Lansing for several years before joining the faculty at the Corewell Health Troy Family Medicine Residency Program in 2022. She enjoys all aspects of primary care, and her professional interests include medical education, gender-affirming hormone therapy, and providing care to people experiencing homelessness. She is passionate about advocating for patients and for the specialty of family medicine and has been involved with the Michigan Academy of Family Physician's advocacy efforts. She enjoys baking, gardening, travel, and hiking with her dog. 

Elena Kline, PharmD, CGP

Elena obtained her doctor of pharmacy degree from Purdue University in 2011 and went on to complete one year of specialized residency training at the VA Ann Arbor Healthcare System the following year. She received her teaching certificate through the University of Michigan and has gone on to precept pharmacy students and residents alongside a variety of adjunct clinical faculty appointments, including the Oakland University William Beaumont School of Medicine. Elena also serves as a clinical instructor for the pharmacology course in the Oakland University Doctor of Physical Therapy curriculum. Elena was the internal medicine pharmacist specialist at Corewell Health Hospital, Troy for just under four years where she developed her position to include daily, interprofessional rounding with the family medicine team. In 2015, she received her Health Coach certification through Dartmouth Institute, and in 2016 she transitioned to the ambulatory care setting as the clinical pharmacist specialist at the Corewell Health Family Medicine Center (FMC), Sterling Heights. She obtained her board certification in geriatric and ambulatory pharmacy in 2015 and 2017 respectively. In 2018, she was the recipient of substantial grant funding to develop a Substance Use Disorder (SUD) Clinic at the FMC and is serving as the program director. Elena is also working to implement a variety of clinical pharmacy services at the center. In her spare time, she enjoys traveling, Detroit and Purdue athletics, and spending time with family and friends.

Andrew M. Oleszkowicz, M.D.
Associate program director
Associate professor, Oakland University William Beaumont School of Medicine

Andrew M. Oleszkowicz, M.D. received his bachelor’s degree in exercise and health science from Alma College before attending medical school at Wayne State University.  He completed his residency training in family medicine at the University of Wisconsin-Madison, where he served as chief resident.  He joined the faculty at Corewell Health Hospital, Troy in 2009. Dr. Oleszkowicz is currently the associate program director and an assistant professor at Oakland University William Beaumont School of Medicine.  His professional interests include curriculum development, obstetrics, hospital medicine, preventive medicine, and chronic disease management. He enjoys spending time with his wife and two daughters, competing in triathlon, and traveling.

Erwin Patalinghug, M.D.
Faculty
Associate professor, Oakland University William Beaumont School of Medicine 

Erwin Patalinghug, M.D. attended Wayne State University and received a bachelor of science in psychology honors with university honors.  He subsequently completed his medical degree at the Wayne State University School of Medicine.  He completed his family medicine residency at Corewell Heath Hospital, Troy, in 2017 and subsequently joined the academic faculty.  His practice interests cover the full spectrum of family medicine, including outpatient care, inpatient care, and obstetric care.  

Adam Shammami, D.O.
Faculty
Associate professor, Oakland University William Beaumont School of Medicine

Adam Shammami, D.O. is a board-certified family medicine physician with a specialized focus in addiction medicine. He earned his Bachelor of Science degree in Radiation Therapy Technology from Wayne State University and went on to receive his medical degree from Lake Erie College of Osteopathic Medicine. Dr. Shammami completed his residency training in family medicine at St. John Providence in Southfield. Driven by a deep commitment to addressing substance use disorders, Dr. Shammami has worked extensively in both inpatient residential treatment centers and outpatient addiction clinics. After joining Corewell Health, he played a pivotal role in establishing the organization’s first Substance Use Disorder Clinic within a primary care center residency site, where he currently serves as Medical Director. His clinical interests span addiction medicine, pediatrics, hospital medicine, and urgent care. In addition to his clinical work, Dr. Shammami holds academic appointment at Oakland University William Beaumont School of Medicine as an associate professor.  He is also the faculty advisor for the schools Family Medicine Interest Group. Dr. Shammami is the 2025 recipient of the AAFP Joyce Jeardeau Memorial Award for his work with the FMIG. Fluent in Arabic and Chaldean (Aramaic), Dr. Shammami brings a culturally sensitive approach to patient care. Outside of medicine, he enjoys spending quality time with his wife and four children, swimming, and traveling.

Erik Weitz, DO
Faculty
Assistant professor, Oakland University William Beaumont School of Medicine 

Erik Weitz, DO, received both his undergraduate degree in public policy and his medical degree from Michigan State University. He completed his family medicine residency at Corewell Health Hospital, Troy where he completed the hospital medicine track. He subsequently joined the faculty of the residency program at Troy. His practice interests include adult and pediatric outpatient and inpatient medicine, addiction medicine, and informatics. He enjoys spending time with his family, cooking, exercise, and hockey.

Lori Zeman, Ph.D.
Faculty
Associate professor, Oakland University William Beaumont School of Medicine

Lori Lackman Zeman, Ph.D., ABPP, obtained her doctoral degree in clinical psychology with a child and health emphasis in 1990 from the University of Miami. She is board certified in health psychology. She joined our faculty in 2014 and is an associate professor at Oakland University William Beaumont School of Medicine. Dr. Zeman's work focuses on the integration of mental and physical health care.  She is also interested in how health care delivery can be designed to increase access and enhance population health. She enjoys traveling, spending time with her family, and volunteering for a children’s international peace organization. 

Leah Cecil, DO

Sheala Jafry, MD

Pierre Morris, MD

Aleida Rivera, MD

Ida Rubino, MD

Carl Sarnacki, MD

Jill Schmitt, DO

Amy Seger, MD

Andrea Wudyka, MD