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Our Services

Oncology Specialists

Cancer specialists Jason Li, MD, and Paul Mehan, MD, bring their expertise to Sullivan to treat you and your family at home.

Jason Li, MD

Jason Li, MD

  • Medical degree from Nanjing Medical University in the People’s Republic of China
  • Master’s of science in clinical immunology from Shanghai Medical University in the People’s Republic of China
  • PhD in biochemistry and molecular biology from the University of Texas Southwest Medical Center
  • Residency in internal medicine at New Hanover Regional Medical Center
  • Fellowship in hematology/oncology at Indiana University Medical Center
  • Board-certified in internal medicine, hematology, oncology

Paul T. Mehan, MD

  • Medical degree from Loyola University Stritch School of Medicine
  • Combined internship/residency in internal medicine at Washington University School of Medicine
  • Fellowship in hematology/oncology at Siteman Cancer Center/Washington University School of Medicine
  • Board-certified in internal medicine, hematology and oncology

Meet the rest of the team

You’ll be glad to know that Dr. Li is part of a team of physicians at Missouri Baptist Cancer Center who are all leading cancer specialists. Our physician team includes board-certified specialists that are involved in investigational research and use the latest diagnostic and treatment options for our cancer patients.

Bryan Faller, MD

Bryan Faller, MD

  • Medical degree from Washington University School of Medicine
  • Internship and Residency in internal medicine, hematology and oncology Washington University School of Medicine / Barnes-Jewish Hospital Siteman Cancer Center
  • Fellowship at the Fox Chase Cancer Center, Temple University Health System in Philadelphia, PA
  • Board-certified in internal medicine, hematology and oncology
Vincent Joe, MD

Vincent Joe, MD

  • Medical degree from University of Rochester School of Medicine
  • Residency in internal medicine at Highland Hospital-University of Rochester Medical Center
  • Residency in radiation oncology at Strong Memorial Hospital-University of Rochester
  • Medical directorships held at Christian Hospital NE and SSM Cancer Care
  • Board-certified in radiation oncology
Alan Lyss, MD

Alan Lyss, MD

  • Medical degree from Washington University School of Medicine
  • Internship and residency in internal medicine at Ohio State University
  • Fellowship in hematology and oncology at the University of Pennsylvania
  • Principal Investigator of Heartland Cancer Research, a National Cancer Institute-designated Community Clinical Oncology Program (CCOP) at Missouri Baptist Medical Center
  • Associate Professor of Clinical Medicine at Washington University School of Medicine
  • Associate Clinical Professor at the University of Missouri School of Medicine
  • Board-certified in internal medicine and medical oncology
Atif Shafqat, MD

Atif Shafqat, MD

  • Medical degree from The Aga Khan University Medical College, Karachi, Pakistan
  • Internship and residency at Duke University Medical Center
  • Fellowship in hematology and oncology at Indiana University School of Medicine
  • Fellow, American College of Physicians
  • Board-certified in internal medicine, oncology and hematology
Deborah Wienski, MD

Deborah Wienski, MD

  • Medical degree from Tufts University School of Medicine
  • Internship and residency in internal medicine at the University of Rochester School of Medicine and Dentistry
  • Fellowship in hematology and oncology at Boston University School of Medicine
  • Board-certified in internal medicine and hematology/oncology