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Meet Our Members

Get to Know Our UMass Memorial Medical Group Members

Our doctors are compassionate professionals, top researchers, valued mentors and involved community advocates. Meet a few members who exemplify the UMass Memorial Medical Group mission:

  • Theresa Callahan, MD, is a pediatrician and partner at Medical Associates Pediatrics in Leominster, MA. Meet Dr. Callahan.
  • David Lyons, MD, is a cardiologist (heart specialist) at UMass Memorial Medical Center. Meet Dr. Lyons.
  • Emmanuel Maduakor, MD, is a hospitalist (a doctor who cares for patients while they’re in the hospital) at UMass Memorial Medical Center. Meet Dr. Maduakor.
  • Deepthi Pandraju, MD, specializes in family medicine in Fitchburg, MA. Meet Dr. Pandraju.
  • Stacy Potts, MD, specializes in family medicine at Barre Family Health Center in Barre, MA. Meet Dr. Potts.

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Learn more about joining our medical group.