Dr. Natalie Karapetians is a board-certified internal medicine physician who currently practices as a Hospitalist with Facey Medical Group at Providence Holy Cross Medical Center and also works as a Hospitalist at Simi Valley Adventist Hospital. She completed her Internal Medicine residency at Kern Medical in Bakersfield, California, from July 2019 to June 2022, and attained board certification in Internal Medicine in 2022.

Dr. Karapetians earned her Doctor of Medicine from the American University of the Caribbean School of Medicine in March 2019 after receiving a Bachelor of Science in Biological Sciences from the University of California, Riverside in June 2015. While at UC Riverside, she served as a research assistant in the Department of Cell Biology and Neuroscience.

Her early administrative and care-management experience includes serving as a care coordinator in case management from 2014 to 2015, coordinating communications among health insurers, physicians, and patients and facilitating access to care. She subsequently worked in medical management as a physician reviewer for Electronic Health Plans from 2021 to 2022, where she reviewed inpatient hospitalizations to determine authorization.

In her hospital medicine practice, Dr. Karapetians focuses on inpatient care, delivering evidence-based treatment to diverse adult patient populations and collaborating with multidisciplinary teams. Her scholarly contributions include co-authorship on multiple clinical case reports and publications, including a 2023 case report on disseminated histoplasmosis in the setting of secondary hemophagocytic lymphohistiocytosis and a 2020 case report describing methicillin-resistant Staphylococcus aureus infective endocarditis presenting as neutrophilic meningoencephalitis. She also contributed to molecular and developmental work published in Current Biology.

Dr. Karapetians is an active member of the American College of Physicians and holds ACLS and BLS certifications. She is certified in Nexplanon insertion, fluent in English and Armenian, and proficient in medical Spanish. Her professional interests include infectious disease, hospital medicine, and medical education; outside of work she enjoys soccer, painting, and travel.