Dr. Katarzyna Agnieszka Mastalerz, MD

Dr. Katarzyna Mastalerz is an internal medicine physician who specializes in hospital medicine, bringing 19 years of clinical experience to her practice. She earned her medical degree from the University of Pittsburgh School of Medicine, where she developed a strong foundation in comprehensive patient care. Her dual expertise allows her to provide both primary internal medicine services and specialized inpatient hospital care for complex medical conditions.

Dr. Mastalerz practices at The Medical Center of Aurora and UCHealth University of Colorado Hospital, both located in Aurora, Colorado. She has hospital affiliations with HCA HealthONE Presbyterian Saint Lukes Medical Center. Her clinical focus includes treating patients with chronic kidney disease and respiratory failure. She frequently performs diagnostic procedures such as complete blood counts, magnesium testing, and phosphate blood tests to help monitor and manage her patients' conditions.