Dr. Alexander Bryce Williams Niculescu is a board-certified internal medicine physician with fellowship training in hospice and palliative medicine. He is Board Certified by the American Board of Internal Medicine (#532178, 2023–2033) and is a Licensed Physician in California (Medical Board of California, A187471, 2023–present) and New York (New York State Department of Health, #317127, 2022–present). He also holds a DEA Controlled Substances Registration Certificate (#FN3073905, 2023–present) and maintains active BLS and ACLS certifications (2020–present).

Dr. Niculescu completed a Fellowship in Hospice and Palliative Medicine at Cedars-Sinai Medical Center in Los Angeles, California (2023–2024). He previously completed his Internship and Residency in Primary Care and Social Internal Medicine at Montefiore Medical Center in the Bronx, New York (2020–2023). He earned his M.D. from Tulane University School of Medicine in New Orleans, Louisiana (2016–2020). Prior to medical school, he completed a Post-Baccalaureate Premedical Program at Goucher College in Towson, Maryland (2013–2014; GPA 3.9) and earned a B.A. from the University of Pennsylvania in Philadelphia, Pennsylvania (2008–2012; Summa Cum Laude; Medical Anthropology major and Cinema Studies minor).

Since 2024, Dr. Niculescu has served as a Nocturnist and Palliative Care Physician at Providence Saint John’s Health Center (2024–present), admitting patients to the internal medicine service (closed ICU), providing cross-coverage, and serving as a weekend inpatient consultant physician for the palliative care service. He also serves as a Nocturnist at Providence Cedars-Sinai Tarzana Medical Center (2024–present), admitting patients to the internal medicine service (open ICU) and providing cross-coverage. In addition, he works as a Physician in Kaiser Permanente Urgent Care at the Los Angeles Medical Center and Pasadena locations (2024–present). His recent roles include Physician, AccentCare Los Angeles (formerly Seasons Hospice) (2024–2025) and Nocturnist, California Rehabilitation Institute (2024–2025).