Quaker Medical Associates (QMA) is a Med-Peds practice dedicated to giving you and your family the highest quality of care in Western New York. With physicians dual board certified in both internal medicine and pediatrics, the providers at Quaker Medical use the highest levels of evidence-based medicine to care for patients of all ages.

QMA’s partners and providers continue to put their patients’ wellbeing above all else, and in doing so, have chosen to remain an independent physicians’ practice rather than be acquired by a larger health care organization.

Quaker Medical is recognized both regionally and nationally for its excellence in healthcare and is a member of The Primary Care IPA which is an elite groups of Western New York primary care offices dedicated to quality and cost awareness. QMA has also attained the highest level of Patient Centered Medical Home (PCMH) as recognized by the National Committee for Quality Assurance.

Now Accepting Newborn Patients Only

With physicians dual-board certified in Internal Medicine, children can see the same doctors upon becoming an adult.

Your Providers

  • David Deberny M.D.

    PARTNER, INTERNIST & PEDIATRICIAN

    A chief resident of internal medicine at Buffalo General Hospital from 1993 to 1994, Dr. Deberny is a member of the American College of Physicians and the Christian Medical Society. After completing his residency, he spent a year focusing on adolescent medicine, sports medicine, and cystic fibrosis. He loves to spend time with his wife and three children, is extensively involved in his local church congregation, and loves to garden and run on a regular basis.

  • Kristin Poppenberg M.D.

    PARTNER, INTERNIST & PEDIATRICIAN

    Graduating from the State University of New York at Buffalo School of Medicine, Dr. Poppenberg continued her training at SUNY Buffalo by completing a Combined Internal Medicine and Pediatrics residency, where she served as chief resident for this program in 2008-2009. She is a member of the American Medical Association, American College of Physicians, and American Academy of Pediatrics. She enjoys spending her free time taking in the local music and arts scene with her three growing children and husband.

  • Dana Wymer D.O.

    PARTNER, INTERNIST & PEDIATRICAN

    Dr. Wymer worked as an engineer for twelve years prior to going to medical school. Completing a Combined Internal Medicine and Pediatrics residency at the SUNY Buffalo Medical-Dental Consortium. She served as chief resident for the program from 2009-2010. Dr. Wymer is a member of the American Medical Association, American College of Physicians, and American Academy of Pediatrics. She enjoys cooking, biking, reading and traveling with her husband and son.

  • Jacqueline Dombrowski M.D.

    PARTNER, INTERNIST & PEDIATRICIAN

    A chief resident for the Internal Medicine and Pediatrics Residency program from 2000-2001, for 12 years Dr. Dombrowski treated patients at her own private practice in East Aurora and in 2015 joined Quaker Medical Associates. Board certified in Internal Medicine and in Pediatrics, she is a member of Phi Beta Kappa Honorary Society, Alpha Omega Alpha Medical Honor Society, the American College of Physicians, and a Fellow of the American Academy of Pediatrics. She enjoys music, sports and spending time with her family.

  • Michael Murray M.D.

    PARTNER, INTERNIST & PEDIATRICIAN

    Dr. Murray joined Quaker Medical in the summer of 2021 and has been a great addition to the team! He completed is residency in Internal Medicine and Pediatrics. He was Chief Resident from 2020-2021. He is a member of AMA, AAP, and ACP. Dr. Murray has an interest in transitional care medicine and caring for patients with developmental disabilities. In his spare time he enjoys sports, golf, and hiking. Go Bills!

  • Lori Dimillo P.N.P.

    NURSE PRACTITIONER

    Lori is a Certified Pediatric Nurse Practitioner, an IBLCE lactation consultant and a Triple P (a behavioral intervention to promote positive parenting) Provider. She is a member of the Western New York Pediatric Nurse Practitioners Association and the International Lactation Consultants Association. She thoroughly enjoys working with children of all ages and their families. Her special interests in medicine include lactation, nutrition, asthma management, and behavioral health. She joined Quaker Medical in 1992 and enjoys spending free time traveling with her family.

  • Deborah Zizzi P.A.-C.

    PHYSICIAN ASSISTANT

    Deborah graduated magna cum laude from Gannon University in 1988 with a master's degree in Physician Assistant Science and joined Quaker Medical in June of 2019. The experience she brings to Quaker Medical was gained from working at ECMC primary care for 3 years and from working at the VA in Springville for almost 10 years. She is a member of AAPA, NYSSPA, and AFP. She enjoys spending time with her family and friends, running, hiking, skiing, gardening and travel.

  • Isabella Benton N.P.

    NURSE PRACTITIONER

    Isabella is a graduate of Daemen College with a Masters in nursing for Nurse Practitioner. She has worked at Quaker Medical for years before joining as an N.P. as well as at Mercy Sisters. She enjoys the outdoors, often hiking the Adirondack high peaks, biking, or kayaking.

    Schedule Online with Isabella for your annual physical (for current QMA patients only)

Level Three Patient Centered Medical Home. Meeting the highest level of quality standards set by the National Committee for Quality Assurance (NCQA)

Level Three Patient Centered Medical Home. Meeting the highest level of quality standards set by the National Committee for Quality Assurance (NCQA)

Medicare's Physician Quality Reporting System (PQRS) and Medicare and Medicaid's Electronic Health Record (EHR) Incentive Program for meaningful use of an EHR.

Medicare's Physician Quality Reporting System (PQRS) and Medicare and Medicaid's Electronic Health Record (EHR) Incentive Program for meaningful use of an EHR.

A Western New York group of physicians organization recognized for meeting the highest level of quality metrics.

A Western New York group of physicians organization recognized for meeting the highest level of quality metrics.