Faculty and Residents


As our recruiting efforts focus on medical students who demonstrate leadership, teamwork, compassion, and integrity, we have a remarkable team of residents.  This includes residents who are accomplished in research and scholarly activities, are active in the realm of political and practice advocacy, have been trained in acupuncture, act as local high school team physicians, and more.  To learn more about our current residents, please click here.

Program Director

Daniel Schlegel, M.D., Program DirectorDaniel Schlegel, M.D., M.H.A., was born and raised in Lebanon, Pennsylvania.  He enjoyed his liberal arts education at Franklin and Marshall College in Lancaster, PA, before attending and graduating from the University of Pennsylvania School of Medicine.  He completed his residency at Lancaster General Hospital before joining the faculty at Penn State Hershey Medical Center. Dr. Schlegel has been involved in teaching medical students and residents for the last seven years and has been the recipient of teaching awards from both resident physicians and students.  As Director of the Penn State Hershey Family Medicine Residency Program, he leads fellow faculty and resident family physicians in the final three years of medical training that follow medical school. Dr. Schlegel has a special interest in the administrative, economic, and policy aspects of healthcare in the United States and teaches these components to residents.  He recently completed a Master's Degree in Health Administration from Penn State University to enhance his understanding of these fields and to share his knowledge with students and residents.


William Bird, D.O., is currently the Interim Chair of the Department of Family and Community Medicine at The Pennsylvania State University College of Medicine.  Dr. Bird also serves as Professor of Family and Community Medicine, Associate Chief Medical Officer for Primary Care for the Penn State Hershey Medical Group, Vice Chair for Patient Care in the Department of Family and Community Medicine, and Chief Medical Officer for Penn State Health Care Partners.  Dr. Bird completed his undergraduate education at the University of Rhode Island and earned his doctor of osteopathic medicine from Philadelphia College of Osteopathic Medicine.  He completed his residency at Community General Osteopathic Hospital in Harrisburg and joined the Family and Community Medicine faculty at Penn State Hershey in 1996. 

Mary Beth Backenstose, R.N., M.S., received a B.S. in Nursing from Cornell University and her M.S. in Psychiatric Nursing from the University of Maryland.  After receiving her M.S., Mary Beth completed two years of post-graduate study at Georgetown University in Family Systems Theory and Family Psycho-therapy, followed by seventeen years of clinical supervision with Murray Bowen, M.D.  During this time, she began her private practice in Individual, Marital, and Family Therapy.  At Penn State Hershey, Mary Beth implemented a behavioral health longitudinal rotation and works with residents in her private practice as well as at both resident patient-care locations.  Mary Beth is a Charter Member of the American Family Therapy Academy, Inc., and member of Sigma Theta Tau, National Honor Society of Nursing.

Erich Batra, M.D., grew up in Northern Virginia (suburbs of Washington, D.C.) and attended the University of Virginia in Charlottesville for both undergraduate and medical school training.  He completed his residency training in Phoenix, Arizona in internal medicine and pediatrics and then moved back East, where he joined the faculty of the Penn State Hershey Department of Family & Community Medicine Residency Program.  After eight years with the residency, he joined a private practice in Lebanon for the next seven years.  In January of 2014, Dr. Batra rejoined the Penn State Hershey Department of Family & Community Medicine.  In addition to seeing patients in Palmyra, Dr. Batra precepts residents at Fishburn Road and rounds on the inpatient service.  For the past ten years, Dr. Batra has been involved with childhood injury prevention in conjunction with the Pennsylvania Chapter of the American Academy of Pediatrics.  Two areas of focus for Dr. Batra include infant safe sleep and youth suicide prevention.  Dr. Batra is board certified in internal medicine and pediatrics.

Ann Bogdan, M.D., attended the University of Virginia for her undergraduate studies.  She attended medical school at Virginia Commonwealth University-Medical College.  She then completed her residency training at the Harrisburg Hospital Family Medicine Program. Dr. Bogdan runs the monthly resident Balint groups.  She has a passion for communication and the doctor-patient relationship, and is a faculty member with the Institute for Healthcare Communication in New Haven, Connecticut.

Jessica Butts, M.D., is an east coast native, having grown up in Connecticut.  Dr. Butts attended medical school at The George Washington University in Washington, D.C., and completed her residency in Family Medicine at Tufts University in Boston, where she served as chief resident in her third year.  She went on to complete a fellowship in Sports Medicine at Indiana University in Indianapolis and has worked with athletes and sports teams ranging from youth leagues to professional teams, including the Indianapolis Colts and Tennessee Titans.  Dr. Butts has a special interest in exercise and wellness, concussions, and sports injuries.  She is a member of the American Academy of Family Physicians, American Medical Society for Sports Medicine, and American College of Sports Medicine.

Todd Felix, M.D., is a central Pennsylvania native.  He trained at the University of Pittsburgh-Johnstown for undergraduate studies, Penn State College of Medicine for medical school, and Lancaster General Hospital for residency.  Dr. Felix returned to Hershey to focus on medical student and resident education.  His interests include evidence-based medicine and information mastery, which he teaches to medical students and residents.  Dr. Felix is involved in several areas of medical education leadership at the College of Medicine, including serving on the Physician Assistant Program Advisory Board and the Committee on Undergraduate Medical Education (CUMED), and also serves as Associate Clerkship Director for Family Medicine. Dr. Felix was recently appointed the Director of Core Clinical Medicine through the Penn State College of Medicine, overseeing the 3rd and 4th years of medical training.

Stephanie Gill, M.D., completed her undergraduate studies at Penn State University, University Park, and received her medical degree from Jefferson Medical College in Philadelphia.  She completed her residency at UPMC St. Margaret Family Medicine Residency Program.  Dr. Gill completed a two-year Faculty Development Fellowship and a Masters in Public Health through the University of Pittsburgh.  Since joining the Department, Dr. Gill has served as a clinician educator focused on residency education.  Dr. Gill's interests include residency education, public health and community medicine, and primary care provider involvement in oral health prevention, particularly in the assessment and prevention of early childhood caries.  Dr. Gill has participated in medical volunteer work in Haiti, Ecuador, and Honduras.

Mary Joyce Green, M.D.was born and raised in the Philippines.  She graduated from the University of the Philippines with a B.S. in Psychology and completed her medical education at the University of the East, Philippines. She then completed her Family and Community Medicine Residency at Penn State Hershey Medical Center, where she received many awards including the Joseph P. Bering Most Outstanding Resident and The Best Senior Resident Award.  As a resident, she also received several certificates for Exceptional Teacher and Exceptional Role Model from Penn State College of Medicine students.  Dr. Buliyat enjoys teaching and joined the Penn State Hershey faculty as one of the core faculty members for the residency program.  She completed a Junior Faculty Development Program at Penn State College of Medicine.  Her interests include the use of team-based learning in teaching evidence-based guidelines to residents.

Bret C. Jacobs, D.O., graduated from Lake Erie College of Osteopathic Medicine. He then completed a Family Medicine Residency at York Hospital. After residency, he completed a Primary Care Sports Medicine Fellowship at Moses Cone Hospital in Greensboro, North Carolina. Dr. Jacobs is currently an Assistant Professor in the Departments of Family and Community Medicine and Orthopaedics and Rehabilitation. He serves as team physician for the Harrisburg Senators minor league baseball team, Penn State Harrisburg, and Middletown High School. He has special interests in musculoskeletal ultrasound and custom foot orthotics.

Sukhjeet Kamboj, M.D., was born in the state of Punjab in northern India and raised in Patiala.  She attended medical school at Punjabi University Patiala in India, and completed her Family and Community Medicine Residency at Penn State Hershey Medical Center.  Dr. Kamboj's interests include in all aspects of Family Medicine, including care of all ages, from newborns to geriatric patients. She is particularly interested in the preventative care aspect of Family Medicine. Dr. Kamboj is fascinated by behavioral associations of certain health conditions and is currently preparing to work on a qualitative research study on health behaviors in Diabetic patients. She enjoys participated in the teaching of Family Medicine residents in both outpatient and inpatient settings.

Peter Lewis, M.D., graduated with a Bachelor of Arts in Religion from Princeton University and received his medical degree from Jefferson Medical College.  He attended family medicine residency at the University of Washington, where he served as chief resident, and continued his training by completing a fellowship in faculty development.  Dr. Lewis is board certified in Family Medicine and is a Fellow in the American Academy of Family Physicians.  He is a member of the Society of Distinguished Educators and the Drs. Kienle Center for Humanistic Medicine at Penn State College of Medicine.  Dr. Lewis is a faculty advisor to the College's student chapter of Physicians for Social Responsibility, and former course-co-director of the Foundations of Patient-Centered Care course. Dr. Lewis enjoys the breadth of family medicine care and the related depth of relationships with patients and their families.  He finds it rewarding to work with patients of all ages, in any of life's stages, at times of wellness and illness.  He also enjoys opportunities to work with and learn from medical students and family medicine residents.  Dr. Lewis has particular interests in care to under-served populations, doctor-patient communication, the medical humanities, cancer survivorship care, and resident research and scholarly activities.

Megan Mendez Miller, D.O., was born and raised in Harrisburg.  She is a third-generation Osteopathic Physician serving in Central PA.  She attended Eastern University in St. David's, Pennsylvania, graduating with a double major in Biochemistry and Athletic Training.  She enrolled in massage therapy school to learn more about integrative and holistic medicine and then attended the Philadelphia College of Osteopathic Medicine.  She participated in several medical mission trips to South Texas and Mexico.  Dr. Mendez Miller completed her Family Medicine residency at Community General Osteopathic Hospital with Pinnacle Health in Harrisburg, where she served as chief resident.  Since joining Penn State Hershey, she became involved in resident and student education.  Dr. Mendez Miller appreciates the span of her practice from newborn to geriatrics, inpatient care, and prenatal care, with a special interest in pediatrics, inpatient medicine, and underserved Hispanic populations.

Stacey Milunic, M.D., is originally from the Pittsburgh area.  She attended Penn State Main Campus as an undergraduate where she majored in Math.  She attended Case Western Reserve School of Medicine in Cleveland, Ohio, and then returned to Pennsylvania to complete a Family Medicine Residency at Lancaster General Hospital.  Upon graduation, she joined the faculty at Penn State Hershey.  Dr. Milunic enjoys practicing full-spectrum family medicine, including both inpatient medicine and obstetrics with deliveries.  She particularly enjoys working with residents and precepts in multiple settings, including: Inpatient adult medicine, labor and delivery, newborn nursery, and outpatient care.  As a result of her interest in maternity care, she directs the annual Advanced Life Support in Obstetrics (ALSO) course and supervises prenatal care at the Nyes Road I office.

Munima Nasir, M.D., was born in Pakistan and raised in Dubai, UAE. She moved to Pakistan for medical school training and graduated from Aga Khan University. She completed her Family Medicine Residency in Pennsylvania at the York Hospital. Dr. Nasir currently practices full spectrum family medicine (excluding obstetrics) in both outpatient and inpatient settings.  She is currently involvement in the Junior Faculty Development Program at Penn State Hershey. Dr. Nasir is involved in teaching both medical students and residents.

James Nicholson, M.D., M.S.C.E., grew up both on the campus of Westtown School in Chester County, Pennsylvania, and in the woods of central Maine. He attended Earlham College in Richmond, Indiana, and completed medical school at the University of Pennsylvania. Dr. Nicholson completed his residency with the Duke-Watts Family Medicine Residency Program, where he served as chief resident.  Following residency, Dr. Nicholson became interested in primary care obstetrics and initiated several studies in risk-based labor inductions.  He has engaged in research, clinical trials, and received numerous grants to explore this particular area of primary care medicine.  Dr. Nicholson continues to research the use of risk-based labor induction to improve birth outcomes and teaches maternity care to Family Medicine residents.  Dr. Nicholson also serves as a faculty member with the Maternal Fetal Medicine Fellowship Program.

Cayce A. Onks, D.O., M.S., started his career in Sports Medicine as a Certified Athletic Trainer following graduation from The University of Tennessee with a degree in Exercise Science and Master's Degree in Athletic Training from Ohio University. Dr. Onks graduated from Philadelphia College of Osteopathic Medicine (PCOM). He completed an osteopathic internship through PCOM and the Crozer-Keystone Health System in Philadelphia and a Family Medicine residency program at the Wake Forest University in Winston-Salem, North Carolina. He then completed his Sports Medicine Fellowship training at Penn State University in State College. Dr. Onks serves as team physician for the Hershey Bears Hockey Club, Lebanon Valley College, and Lebanon High School.  He practices inpatient and outpatient family medicine and sports medicine in clinics in which ultrasound guided injections are utilized.

Tamara Oser, M.D., was born and raised in Colorado before moving to Maryland, where she attended the University of Maryland, College Park.  She graduated medical school from the University of Pittsburgh, where she completed her residency in Family Medicine at UPMC Shadyside.  Dr. Oser spent three years practicing in rural Pennsylvania before joining the Department of Family and Community Medicine at Penn State Hershey Medical Center, where she practices at the Camp Hill location.  Dr. Oser enjoys a wide array of activities within the department, including teaching medical students and serving as the Faculty Advisor to the Family Medicine Interest group along with Drs. Dennis Gingrich and Matthew Silvis.  She has the great pleasure of co-leading the resident Balint Group with Dr. Ann Bogdan.  Dr. Oser has had the honor of being involved with the Patient-Centered Medical Home (PCMH) curriculum, and has conducted research related to the PCMH.  Dr. Oser is also actively involved in research that explores ways to provide patient support and encourage higher levels of patient activation in patients with chronic disease, using Type 1 diabetes as a model.  In her free time, Dr. Oser volunteers for the Juvenile Diabetes Research Foundation (JDRF) where she and her family have raised close to $40,000.  She also is a trained JDRF mentor, and enjoys helping newly diagnosed families across the country.   She serves as a faculty with the Children With Diabetes online organization and presents annually at their international conference. 

Kevin J. Poole, M.D., is a graduate of Lebanon Valley College.  He attended the University of Maryland School of Medicine and completed his Family Medicine Residency at York Hospital.  Dr. Poole worked in private practice in Lancaster before joining the Penn State Department of Family and Community Medicine.  Dr. Poole works out of the Camp Hill office and is also an attending physician on the Inpatient service.  He is also part of the Foundations of Patient Centered Care program in the Bond Society, where he serves as a preceptor for MS I-MS IVs.  He has also been involved in Communication Seminars with the medical students, which he carries over into his regular student teaching.  His interests include Pediatric Care, Anxiety/Depression, Small Procedures, and Clinical Skills Teaching.

Julie Radico, PsyD, M.S., earned her doctoral degree in clinical psychology and two Master's Degrees (Clinical Psychology and Counseling and Clinical Health Psychology) at the Philadelphia College of Osteopathic Medicine (PCOM). She completed an internship in clinical psychology and integrated primary care at the PCOM Center for Brief Therapy. Dr. Radico completed her health psychology postdoctoral fellowship in the Department of Family Medicine at the University of Mississippi Medical Center, where she was involved in teaching residents. Dr. Radico currently serves as the Membership and Governance Chair on the Committee for Early Career Psychologists for the American Psychological Association and is active in the Pennsylvania Psychological Society. She is excited to work with the Penn State Hershey Family Medicine Residency Program and teach the behavioral medicine curriculum. 

Timothy Riley, M.D., is originally from Syracuse, New York. He received his undergraduate degree at the University of Richmond in Virginia and completed medical school at SUNY Upstate Medical University in Syracuse, where he took part in a rural medical education elective. Dr. Riley completed his residency at Lancaster General Hospital, where he received numerous awards in recognition of his research activities.  Dr. Riley was in private practice for seven years, working with urban and underserved populations, during which time he led his practice in transformation into a patient-centered medical home. His areas of focus now include novel approaches to adult learning, motivational interviewing, health systems management, and resident and faculty evaluation. He serves as the coordinator for educational activities in the resident continuity clinics and leads the practice management curriculum.

Jarrett Sell, M.D., was born in Maryland.  He attended Duke University, where he studied Chemistry, and completed medical school at the University of Virginia.  Dr. Sell received his Family Medicine residency training in Phoenix, Arizona, where he had the opportunity to practice Spanish.  Before joining Penn State Hershey, he practiced for eight years in a small rural town in Southwestern Virginia, where he did outpatient, inpatient, and nursing home care.  Dr. Sell enjoys the full spectrum of Family Medicine in downtown Harrisburg in a setting with a large pediatric focus. Dr. Sell's clinical interests include teaching, working with the underserved population, and providing care to those living with HIV.  He currently teaches Family Medicine residents in both inpatient and outpatient settings.

Matthew Silvis, M.D., graduated from the Pennsylvania State College of Medicine. He then completed a Family Medicine Residency at Wake Forest University in Winston-Salem, North Carolina.  After residency, Dr. Silvis practiced wilderness medicine in rural Wyoming, then completed a fellowship in Primary Care Sports Medicine at Wake Forest University. At Penn State Hershey, Dr. Silvis is currently the Medical Director of Primary Care Sports Medicine.  He also serves as team physician for the Hershey Bears Hockey Club, Lebanon Valley College, and Hershey High School. Dr. Silvis has special interests in the care of endurance athletes, exercise, and concussion.

Abraham Taylor, M.D., earned a Bachelor of Science degree in Biology from Susquehanna University.  At Susquehanna University, he completed an honors-level Liberal Arts core curriculum, attained departmental academic and research honors, and received an outstanding award for research in his graduating class.  Dr. Taylor attended Jefferson Medical College in Philadelphia and completed his Family Medicine residency at the Penn State Hershey.  Dr. Taylor currently practices full spectrum family medicine care and includes outpatient prenatal care during residency teaching.  His current professional interests include home visits and primary care house calls, chronic and acute renal insufficiency, and evidence-based medicine.  His professional endeavors have included a published review and the development of both a residency home-based primary care curriculum and research in provider administered care in the home.

James Rory Tucker, M.D., is a graduate of the United States Naval Academy and served as a captain in the U.S. Marine Corps prior to returning to school to study medicine.  Following graduation from Drexel University College of Medicine, he completed his training in Family Medicine at The Reading Hospital and Medical Center.  After residency, he worked at an urgent care facility prior to pursuing his sports medicine fellowship training with Rutgers and Princeton Universities.  Dr. Tucker is an avid scuba diver and instructor with an interest in undersea medicine.

Abdul Waheed, M.D., was born and raised in a rural area of Lahore, a district on the Eastern border of Pakistan, where he attended Government College University Lahore and developed an interest in fictional literature and poetry.  Dr. Waheed still writes poetry in Urdu language and is a published author. He attended Aga Khan University in Karachi and worked as a general medicine officer in Lahore after graduating. With an interest in research, Dr. Waheed has more than fifteen peer reviewed indexed publications.  At Penn State Hershey, Dr. Waheed enjoys the diversity of thought, people, teaching, and learning.

Jay Zimmermann, M.D., was born in New England but moved to Michigan during his elementary school years. Dr. Zimmermann attended the University of Michigan for both undergraduate and medical school.  He completed his residency and an academic fellowship at the University of Virginia.  During his time at the University of Virginia, Dr. Zimmermann studied information mastery/evidence-based medicine (EBM) and furthered his research and teaching abilities.  He then worked in a rural family practice in Virginia.  At Penn State Hershey, Dr. Zimmermann currently teaches medical students and has incorporated EBM in the medical student, Physician Assistant, and resident curricula.  Additionally, Dr. Zimmermann is involved in continuing education for faculty members.