Dr. Bartlomiej Posnik, MD

Dr. Bartlomiej Posnik is a hematology and oncology specialist who brings 12 years of experience to cancer and blood disorder care. He earned his medical degree from Poznan University of Medical Sciences Center for Medical Education in English. His dual specialty training allows him to treat both blood-related conditions and various types of cancer. Dr. Posnik is fluent in English and Spanish.

Dr. Posnik practices at Texas Oncology Bastrop and maintains hospital privileges at Saint Davids South Austin Medical Center in Bastrop, Texas. He treats patients with breast cancer and blood disorders such as iron deficiency anemia and malabsorption syndromes. His clinical expertise includes performing comprehensive blood work and metabolic panels to diagnose and monitor treatment progress. He also conducts complete blood counts and white blood cell differentials to assess patient health during cancer treatment.