About
Alison R. McMaster, DO, brings over 12 years of family medicine experience to her Hanover, PA practice. She earned her Bachelor of Science in Biology from Dickinson College in Carlisle, PA, then went on to complete her Doctorate of Osteopathic Medicine at Philadelphia College of Osteopathic Medicine in 2010. She completed both her internship and Family Medicine residency at Memorial Hospital in York, PA, finishing in 2013.
Dr. McMaster holds board certification from the American Osteopathic Board of Family Physicians. She maintains active membership in the American Osteopathic Association, the American College of Osteopathic Family Physicians, and the Pennsylvania Osteopathic Medical Association. She is affiliated with UPMC Hanover. Her clinical interests span family and preventive medicine, with a special passion for women's health and pediatric care. Voters recognized her as Best Family Doctor in the Best of the Tristate in 2023. She received the Benjamin Rush Academic Scholarship from 2001 to 2005 and earned membership in both Phi Beta Kappa and Alpha Lambda Delta. Outside the office, Dr. McMaster enjoys time with her family, skiing, and wine tasting.
Education & Training
Undergraduate
Dickinson College, Carlisle, PA – Bachelor of Science, Biology 2005
Medical School
Philadelphia College of Osteopathic Medicine, Philadelphia, PA – Doctorate of Osteopathic Medicine 2010
Residency
Family Medicine, Memorial Hospital, York, PA 2011-2013
Additional Training
Internship, Memorial Hospital, York, PA 2010-2011
Certifications
Who is Dr. McMaster right for?
Dr. McMaster is a strong fit for patients of all ages seeking a physician who addresses root causes rather than symptoms alone. Women looking for dedicated preventive and wellness care will find her focus on women's health especially valuable. Parents searching for a physician who also sees children benefit from her pediatric experience. Patients who want same- or next-day access and extended time with their doctor during appointments will feel at home in her practice.
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Frequently Asked Questions
Dr. McMaster provides comprehensive family medicine care for patients of all ages. She treats acute and chronic conditions, manages preventive health, and has particular expertise in women's health and pediatric care. Her approach targets root causes rather than symptom management alone.
Yes, Dr. McMaster holds board certification from the American Osteopathic Board of Family Physicians. She earned her Doctorate of Osteopathic Medicine from Philadelphia College of Osteopathic Medicine and completed her residency training at Memorial Hospital in York, PA.
Dr. McMaster completed her undergraduate education at Dickinson College in Carlisle, PA. She then earned her Doctorate of Osteopathic Medicine at Philadelphia College of Osteopathic Medicine. She completed her internship and Family Medicine residency at Memorial Hospital in York, PA.
Dr. McMaster has served the Hanover, PA community for over 12 years. During that time, she has built a family medicine practice focused on preventive care and individualized treatment. Voters recognized her dedication by naming her Best Family Doctor in the Best of the Tristate in 2023.
Yes, Dr. McMaster has a particular passion for both pediatric and women's health. She sees patients of all ages and backgrounds, making her practice a strong fit for families. Her preventive focus helps patients at every life stage pursue long-term wellness.
Dr. McMaster believes health is a collaborative endeavor between patient and physician. She takes a holistic approach, seeking root causes of illness rather than addressing symptoms alone. Her goal is to equip and inspire patients to take charge of their own health.
Dr. McMaster holds active membership in the American Osteopathic Association, the American College of Osteopathic Family Physicians, and the Pennsylvania Osteopathic Medical Association. These affiliations reflect her ongoing commitment to osteopathic family medicine.
Dr. McMaster holds an affiliation with UPMC Hanover. This connection supports continuity of care when patients require hospital-based services.
Doctor profile last updated June 8, 2026