Our Faculty
Paul Quesenberry, M.D., FAAFP - Program Director
Dr. Quesenberry received his medical degree from the Medical College of Virginia in Richmond, Virginia. and completed his residency in family medicine at Riverside Regional Medical Center in Newport News, Virginia. Dr. Quesenberry brings 25 years of private practice experience to the residency, which included 11 years of inpatient hospital and obstetrical work. He is a diplomate of the American Academy of Family Practice and is board certified in family medicine by the American Board of Family Medicine. He enjoys the relational aspects of clinical medicine, application of evidence-based guidelines in practice, and bringing efficiency to clinical practice. Dr. Quesenberry has decades of leadership experience in large clinical practice groups and his church. He is a native of Hagerstown and enjoys spending time with his family, making music, engaging in reflective practice, and being outdoors. Dr. Quesenberry oversees the Emergency Medicine rotation.
Watch Dr. Quesenberry's video bio
Catherine Feaga, D.O. - Associate Program Director, Director of Osteopathic Education
Dr. Feaga is originally from Howard County, Maryland and received her medical degree from West Virginia School of Osteopathic Medicine. She completed her residency in family medicine at Maine-Dartmouth Family Medicine Residency in 2013, where she also served as chief resident. Dr. Feaga practices full-spectrum rural family medicine, including non-operative obstetrics and has been teaching family medicine residents since 2014. With an extensive background in integrative medicine and a holistic approach to patient care, Dr. Feaga enjoys helping patients reverse chronic disease and regain and maintain their health. She is passionate about Osteopathy and expanding resident’s skills sets; she continues to develop her own skills in Biodynamic and Cranial Osteopathy in particular. Dr. Feaga is board certified in family medicine by the American Board of Family Medicine and in integrative medicine by the American Board of Physician Specialties. She is working towards bringing formal ACGME Osteopathic Recognition and an integrative medicine track to Meritus. Her occasional work in Valdez, Alaska provides residents with an opportunity for a frontier medicine elective. Dr. Feaga oversees the Obstetrics, Gynecology, Nutrition, and Endocrinology rotations. She is also core faculty on the family medicine inpatient service.
Bradley J. Miller, D.O., FAAFP - Designated Institutional Official, Core Faculty
Dr. Miller joined the Meritus Family Medicine Residency in June 2020. He received his medical degree from the Philadelphia College of Osteopathic Medicine in Philadelphia, PA. Dr. Miller completed an osteopathic internship at Jefferson Northeast in Langhorne, PA, followed by a residency in family medicine at Geisinger Medical Center in Danville, PA. After spending five years in a rural practice, Dr. Miller joined the UPMC Williamsport Family Medicine Residency in Williamsport PA where he served as Program Director for eight of his thirteen year tenure. He has served on several national committees of the ACOFP, AOA, AODME and ACGME. He is a graduate of the National Institute of Program Director Development and is a clinical associate professor at several medical schools. In addition to family medicine, Dr. Miller has developed a clinical expertise and research interest in addiction medicine with attention to opioid addiction. He has served nationally as a mentor, consultant and instructor for providers and communities interested in developing strategies to treat patients with opioid use disorders. Dr. Miller is board certified in family medicine by the American Board of Family Medicine and the American Osteopathic Board of Family Physicians. He is a Fellow of the American Academy of Family Physicians and member of the American Society of Addiction Medicine.
Obafemi Okuwobi, M.D., M.B.A., FAAFP - Clinical Core Faculty
Dr. Okuwobi received his medical degree from Lagos University Teaching Hospital in Lagos, Nigeria and completed his residency in family medicine at Bronx Lebanon Hospital Center in New York. During his last year of residency, he served as chief resident. After completing a Faculty Development Fellowship, Dr. Okuwobi taught as an assistant professor of family medicine and served as the pre-doctoral director of the family medicine department at the Morehouse School of Medicine in Atlanta, Ga. From there, he established a family medicine practice in Decatur, Ga., and served as president and medical director. In 2010, he joined Johns Hopkins Community Physicians in Rockville, Md. as the office medical director until he joined the Meritus Family Medicine Residency Program. Dr. Okuwobi has a master of business administration in health services management from the Johns Hopkins Carey Business School. He is also a member and fellow of the American Academy of Family Physicians, a member of the Society of Teachers of Family Medicine and is board certified in family medicine. Dr. Okuwobi joined the Meritus faculty in April 2019 and oversees the Surgery rotation.
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Douglas A. Spotts, M.D., FAAFP
Dr. Spotts is a graduate of Juniata College and The Pennsylvania State University College of Medicine. He is a Fellow of the American Academy of Family Physicians and a Fellow of the College of Physicians of Philadelphia. He is a Past President of the Pennsylvania Academy of Family Physicians and a Past President of the American Academy of Family Physicians Foundation.
Dr. Spotts joined Meritus Health in February 2018 as the first VP/Chief Population Health Officer. This position was renamed Chief Health Officer in October 2019 and includes oversight of the Meritus Family Medicine Residency Program, the developing office of Graduate Medical Education (GME), leadership of the “Health” portion of Meritus’ Bold Goals 2030 Strategic Plan, value- based care transformation, and wellness and community health initiatives. He provides clinical and quality oversight to Meritus Medical Practices.
Prior to his arrival at Meritus Health, Dr. Spotts held the position of Chief Medical Information Officer of Evangelical Community Hospital, in Lewisburg, PA, 2011-2016 and Chief Health Information Officer in 2016-2018. He practiced family medicine in his home community for 23 years prior to his move to Meritus Health.
Dr. Spotts is an active member of Sunrise Rotary Club, Hagerstown-Fountainhead and St. John’s Episcopal Church, Hagerstown. He is a member and President of the Washington County Health Advisory Board, board member of the Maryland Symphony and member of the Washington County Commission on Aging. He is a past Alumni representative/ board member and volunteer of Juniata College, a member of the Penn State College of Medicine Admissions Committee, and holds an academic appointment as Assistant Clinical Professor of Family Medicine at the Penn State College of Medicine. He is married to Sue Ellen Spotts, and they are the parents of two adult children, Ian and Hannah. He enjoys the outdoors, travel, and music of all kinds.
Matthew Wagner, M.D. - Director of Behavioral Health
Dr. Wagner received his medical degree and postgraduate training in psychiatry at the University of Maryland School of Medicine. After 2 years on the faculty in the Department of Psychiatry, he entered private practice for 5 years before joining the Meritus Medical system. He has 30 years of experience in outpatient and inpatient psychiatry. He has served as division chief for psychiatry at Meritus and for the last 2 years has also served as Behavioral Health Service Line leader. He is board certified in psychiatry and in 1995 achieved a certificate of added qualification in geriatric psychiatry.
Stephen E. Metzner, M.D. - Geriatrician
Dr. Metzner received his medical degree from the University of Maryland School of Medicine and completed his residency in Family Medicine at the Good Samaritan Hospital in Phoenix, Arizona. During his senior year there, he served as chief resident. While practicing in Arizona for 10 years, he was the Medical Director of the Fountain Hills Family Health Center and later of the Kenneth M. Piper Family Health Center in Scottsdale, Arizona. He also served as an instructor in the Scottsdale Memorial Hospital Family Practice Residency program. For over 30 years, he has practiced in the Hagerstown area. During that time, Dr. Metzner has been on the Medical Executive Committee and served as Chairman of the Family Practice Department at the former Washington County Hospital. In addition, he has been the medical director of Homewood Retirement Center and the team physician for North Hagerstown High School football – his alma mater. Dr. Metzner served as a delegate to Med Chi, the Maryland State Medical Society, and was president of the Washington County Medical Society. He is active in the fire service and is the physician for the Funkstown Volunteer Fire Company, which serves as the first responders to Meritus Medical Center. Dr. Metzner oversees the geriatrics rotation and nursing home experience.
Dipti Mistry, M.D. – Internal Medicine – Pediatrics
Dr. Mistry is a 2010 graduate of University of Maryland School of Medicine and completed her residency in Combined Internal Medicine and Pediatrics at Loyola University Medical Center where she also served as chief resident. She is originally from Damascus, MD. Dr. Mistry has been practicing full-spectrum internal medicine and pediatrics since 2014 at Smithsburg Family Medicine. In addition to her passion for providing high quality care inside and outside of the hospital, Dr. Mistry serves on the Practice Leadership Council and the EHR Physician Advisory Council. She is a clinical preceptor for University of Maryland AHEC students. Dr. Mistry joined the residency faculty in 2020 and oversees the Noon Conference Curriculum, pediatrics rotations and the family medicine inpatient service.
William Royster, MD – Family Medicine Clinical Faculty
Dr. Royster earned his medical degree from the University of Medicine and Dentistry of New Jersey, New Jersey Medical School in Newark, N.J. and completed his family medicine residency at the John F. Kennedy Center in Edison, N.J. Dr. Royster is board certified in family medicine and is a member of the American Academy of Family Physicians. He has served Meritus and the Hagerstown community since 1997.
Helen Harrington, D.O. – Core Faculty
Dr. Harrington joined the Meritus Family Medicine Residency in September 2021 as core faculty. She received her medical degree from Des Moines University College of Osteopathic Medicine in 2013 and completed her residency at Oregon Health Sciences University Cascades East Rural Family Medicine Residency in 2016 where she also received the Resident Teaching Award. Dr. Harrington practiced outpatient and inpatient family medicine for five years in rural communities in Oregon and Washington while regularly supervising family medicine residents and medical students. Her work at Meritus FMR has focused on development of the resident family medicine practice procedure curriculum, point of care ultrasound, geriatrics and the family medicine practice resident rotations. Dr. Harrington cares for patients in the residency practice and is an attending on the family medicine inpatient service. She especially enjoys caring for older patients.
Daniel Deaton, M.D. - Core Faculty
Dr. Deaton received his medical degree from the University of Virginia in Charlottesville, Virginia and completed his residency in family medicine at Forbes Hospital in Monroeville, Pennsylvania in 2021. He is board certified in family medicine by the American Board of Family Medicine. Dr. Deaton is passionate about teaching in medicine; he earned the Resident Teacher Award during residency and is certified in Faculty Development by the Society of Teachers of Family Medicine (STFM). His foci are on patient-centered care and incorporating behavioral health into general medicine, as well as the utilization of Point of Care Ultrasound (POCUS). Dr. Deaton cares for patients and precepts in the residency practice and on the residency inpatient medicine service. Additionally, he oversees the cardiology and ICU rotations.
Andrew Ditto, M.D. - Core Faculty
A Hagerstown native, Dr. Ditto received his medical degree from the University of Maryland School of Medicine and completed his residency in family medicine at University of North Carolina, Chapel Hill where he also served as a chief resident. Before returning to his hometown, Dr. Ditto practiced full spectrum family medicine for 10 years on the Navajo Nation in Arizona. He is a fellow of the American Academy of Family Physicians and enjoys the application of evidence-based medicine in practice. Dr. Ditto is an outpatient preceptor in the Family Medicine Practice and attends on the residency inpatient service. He serves as the Medical Director of the residency FMP.
Geoffrey Sanyi, D.O. - Sports Medicine Core Faculty
Dr. Sanyi received his medical degree from Touro College of Osteopathic Medicine in New York and completed his residency in family medicine at Morristown Medical Hospital in New Jersey. During his last year of residency, he served as chief resident and undertook a research project correlating VO2 max and weight loss for which he received the resident researcher of the year award. He then completed a fellowship in sports medicine at St. Luke's University Hospital in Bethlehem, Pennsylvania, that focused on musculoskeletal medicine, musculoskeletal ultrasound, concussion management and game coverage. He is board certified in family medicine and sports medicine. Dr. Sanyi joined Meritus Family Medicine Residency in 2022. He oversees the musculoskeletal medicine and longitudinal radiology rotations, as well as being active with POCUS education.
Michael Gaudiose, M.D. - Faculty Preceptor
Dr. Gaudiose attended The Ohio State College of Medicine on an Ohio State Medical Association scholarship and graduated in 1977 with commendations. He completed a residency in Family Medicine at Akron City Hospital where he received the award for outstanding research in Family Medicine . He practiced Family Medicine in Chambersburg, Pa for 35 years which included, obstetrics, pediatrics, and hospital care. He also earned a Certificate of Added Qualifications in Sports medicine and served as a volunteer physician for the U.S. Olympic Team in Colorado Springs. He was team physician for local high school and college teams and the physician for the local Police and Fire Department. He also participated in 4 medical mission trips to Honduras. For 3 years he served as a Family Physician at the U.S. Army War College in Carlisle and received additional training in pain management and battlefield acupuncture. He received commendations from the Office of the Surgeon General, and the Atlantic Regional Health Commander’s award for excellence. In 2018 he was named the Pennsylvania Family Physician of the Year. He returned to Chambersburg to serve for 2 years at Keystone Health an FQHC as a Family Physician with a focus on Primary Care pain management and Medication Assisted Therapy for Substance Use Disorder. He has had medical articles and research published in numerous journals and has written a periodic newspaper column called “Good Medicine. “
Aaron George, D.O., FAAFP, FCPP - Core Faculty
Dr. George received his medical degree from the Philadelphia College of Osteopathic Medicine in Philadelphia, Pa. and completed his residency in family medicine at Duke University Medical Center in Durham, N.C. He is a clinical associate professor at Penn State College of Medicine and was an Andlinger fellow in health policy with the Center for Public Health in Vienna, Austria. Dr. George serves as a member of the Bureau of Membership for the American Osteopathic Association, a board member of the Family Medicine Education Consortium and a fellow of the College of Physicians of Philadelphia. He was a recipient of the Bristol-Myers Squibb award for excellence in graduate medical education, as well as Meritus’ inaugural Faculty of the Year. Dr. George is board certified in family medicine by the American Board of Family Medicine.
Denise Ringley, CRNP - Clinical Faculty
Denise earned a Master of Science degree in adult and gerontology acute care and completed her geriatric nurse practitioner program from Walden University in Minneapolis, Minn. She is a member of the American Association of Critical Care Nurses and the American Association of Nurse Practitioners. Denise is a board certified Adult-Gerontology Acute Care Nurse Practitioner through the American Association of Critical Care Nurses. She earned her Bachelors in nursing from the College of Notre Dame and her Associates from Hagerstown Community College. She has critical care, acute, trauma experience and has specialized in anticoagulation therapy. She has been providing care to the Washington County community since 1997. She serves as the Assistant Director of the residency FMP.
Matthew Kearney, PA-C – Clinical Faculty
Matthew graduated from James Madison University in Harrisonburg, Va. with a master’s degree in physician assistant studies. He also received a Master of Science degree in physiology from Penn State University, College of Medicine in Hershey, Pa. He is certified by the National Commission on Certification of Physician Assistants.
Julie Wilson, BS – Residency Coordinator
Mrs. Wilson received her Bachelor of Social Work from Salisbury University. She joined the Meritus Family Medicine Residency program in 2022 after serving as a Social Worker in different community and medical facets for the past 16 years. She began her time with Meritus as an Outpatient Care Manager before joining the Residency Program. She enjoys her role as an advocate and supporter of a growing program.
Jean Gross - Residency Department Assistant
Ms. Gross received her Associates Degree from Lancaster Bible College and her Certified Medical Office Manager certification from Practice Management Institute. After 27 years of private practice management, she joined the Meritus Family Medicine Residency in 2020. Jean enjoys the challenge of supporting a team which is ever growing and evolving to best meet the needs of resident education.
