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Physician Departures

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  • Melissa L. Korb, M.D, has left Texas Oncology effective May 29, 2025.
  • Carlos Gonzalez-Angulo, M.D., has left Texas Oncology effective May 30, 2025.
  • Pranav Dadhich, M.D., will leave Texas Oncology and Texas Urology Specialists effective June 23, 2025.
  • Mark Walberg, M.D., Ph.D., has retired from Texas Oncology effective June 30, 2025.
  • John A. Pumphrey, M.D., will retire from Texas Urology Specialists effective June 30, 2025.
  • Ioannis T. Konstantinidis, M.D., FACS, FSSO, has left Texas Oncology effective June 30, 2025.
  • Esther Han, D.O., FACS, FACOS, will leave Texas Oncology and Texas Urology Specialists effective July 30, 2025.
  • Donald E. Schwarz, M.D., FACR, FACRO, will retire from Texas Oncology effective July 31, 2025.