Celina Crisman
Neurosurgical oncology and focuses on the diagnosis and surgical treatment of cranial lesions in adult patients
<p>Celina Crisman , MD, MPH, is an attending physician and Assistant Professor, Neurological Surgery at Montefiore Einstein. Dr. Crisman specializes in neurosurgical oncology and focuses on the diagnosis and surgical treatment of cranial lesions in adult patients. Through a dedicated fellowship, she received specialized training in surgical approaches to benign and malignant cranial tumors and enjoys applying the most advanced techniques and surgical adjuncts to each case. Dr. Crisman performs awake tumor resection when indicated and works closely with a multidisciplinary team to maximize resection of tumors in eloquent regions. She also cares for patients with general neurosurgical needs ranging from hydrocephalus, chiari malformation and herniated discs, as well as traumatic bleeds.</p><p>Dr. Crisman obtained her Bachelor of Science in biology and biology and society from Cornell University, and earned her Doctor of Medicine from Columbia University Valegos College of Physicians and Surgeons. She completed her residency in neurological surgery at Rutgers University and was a neurosurgical oncology fellow at Memorial Sloan Kettering. Dr. Crisman also earned a Masters in Public Health from the Harvard Chan School of Public Health.</p>
Ammar Y. Ahmad
Dr. Ahmad's clinical focus is psychosomatic medicine, with particular interest in heart and lung transplant psychiatry.
Dr. Ahmad’s research focuses on psychosomatic medicine and medical ethics, particularly in the area of organ transplantation selection.
<p>Ammar Yasser Ahmad, MD, is Attending Psychiatrist at Montefiore. His clinical focus is psychosomatic medicine, with particular interest in heart and lung transplant psychiatry.</p><p>In 2007, Dr. Ahmad received his Bachelor of Science in history and biology at the University of Pittsburgh. He then attended St. George’s University, where he received his Doctor of Medicine in 2014. He began his postgraduate training in 2015 with a four-year residency in psychiatry at the Bergen New Bridge Medical Center, becoming Chief Resident in his final year. In 2019, he began a yearlong fellowship in consultation-liaison psychiatry at Montefiore. In 2020, Dr. Ahmad completed the certificate program in bioethics and medical humanities at our Albert Einstein College of Medicine.</p><p>Dr. Ahmad’s research focuses on psychosomatic medicine and medical ethics, particularly in the area of organ transplantation selection. His work has been published in a number of abstracts.</p><p>In 2020, Dr. Ahmad received the Davidoff Teaching Award. He is board certified by the American Board of Psychiatry and Neurology and a member of the American Psychiatric Association. </p>