Andrew K Chan, MD

Dr. Tiffany Lin is a board-certified anesthesiologist and pain medicine specialist at Weill Cornell Medicine and NewYork-Presbyterian Hospital. She received her Bachelor of Science in Biology from Duke University and her medical degree from Wake Forest School of Medicine. She completed her residency in anesthesiology at The University of Chicago Medical Center and fellowship training in pain management at NewYork-Presbyterian/Weill Cornell Medical Center.Her clinical practice includes outpatient and inpatient interventional pain management, acute and chronic pain consultation, general anesthesia, and obstetric anesthesia. She is also an Assistant Professor of Clinical Anesthesiology, actively involved in resident and fellow education.Dr. Lin’s academic interests include hypermobility, soft tissue pain, low-dose naltrexone, and peripheral neuromodulation. Her research has been published in Nature Neuroscience, Pain Medicine, and other peer-reviewed journals. She serves as a reviewer for the British Journal of Anaesthesia and has contributed to academic textbooks on pain medicine.In addition to her institutional teaching, Dr. Lin is a frequent speaker and educator at national and international conferences, where she provides hands-on instruction in ultrasound-guided pain procedures and lectures on neuromodulation and pharmacologic innovations in chronic pain management. She is also engaged in community outreach through educational webinars and podcasts focused on chronic pain conditions, treatment options, and patient empowerment.

Maria Grigovich, M.D. is a fellowship-trained radiologist with specialization in Abdominal Imaging. She is an Assistant Professor of Clinical Radiology at Weill Cornell Medicine and an Assistant Attending Radiologist at the NewYork-Presbyterian Hospital/Weill Cornell Medicine.Dr. Grigovich graduated from I.M. Sechenov First Moscow State Medical University in Moscow, Russia where she earned her M.D. with Honors in 2012. After completing a Radiology residency in Russia in 2014, Dr. Grigovich relocated to the United States. Following an internship in Internal Medicine at Brookdale University Hospital Medical Center, she completed a Diagnostic Radiology residency at Einstein Medical Center, Philadelphia, PA in 2022 where she served as a chief resident and earned the RSNA Roentgen Resident/Fellow Research Award.Dr. Grigovich completed a fellowship in Abdominal Imaging at New York Presbyterian/Weill Cornell Medicine in 2023. She joined the faculty at Weill Cornell Medicine in August 2023 as an Assistant Professor of Clinical Radiology and a member of the Body Imaging Division.Dr. Grigovich has clinical expertise in abdominopelvic imaging. She interprets CT, MRI, radiography, ultrasound, and fluoroscopy studies of the abdomen and pelvis, as well as PET/CT and PET/MRI imaging.Her clinical and research interests include advanced liver imaging, gynecologic imaging, and sonography, including contrast-enhanced ultrasound.Dr. Grigovich is actively involved in teaching residents, fellows, and medical students.

Dr. McCormick is the Gallen Professor of Neurological Surgery at Columbia University College of Physicians and Surgeons. He is also the Director of The Och Spine Hospital at The Neurological Institute of New York and an attending physician at NewYork-Presbyterian/Columbia University Irving Medical Center. His clinical and research interests focus exclusively on the evaluation, surgical management, and outcomes assessment of patients with disorders of the spine and spinal cord. He is a world-renowned spinal neurosurgeon and recognized expert in the surgical management of spinal disorders including spinal cord tumors, vascular malformations, herniated cervical and lumbar discs, spinal stenosis, spondylolisthesis, microsurgery, arthroplasty, and spinal stabilization and fusion for traumatic and degenerative spinal instability and deformity. Dr. McCormick graduated from Columbia University and received his medical degree from Columbia University College of Physicians and Surgeons. He performed research at the National Institutes of Health (NIH) and trained in Neurological Surgery at the prestigious Neurological Institute of New York. He performed a one-year complex spine surgery fellowship at Medical College of Wisconsin and returned to the Neurological Institute of New York to join the neurosurgical staff as the first neurosurgeon to dedicate his practice entirely to the treatment of patients with spinal disorders. In the 25 years of practice, Dr. McCormick has performed nearly 7000 spinal procedures on patients from around the world but with special emphasis on patients from tri-state area. Dr. McCormick has received numerous awards including the prestigious Columbia College 2007 John Jay award for professional achievement, the 2009 Joint Spine Section Meritorious Service award, and was an honored lecturer at national, international, and institutional events on numerous occasions. He has consistently been named as one of New York’s best doctors since 2001 and for the last several years has been named as one of Castle Connolly’s America’s Top Doctors, America’s Top Doctors for Cancer, and Top Doctors: New York Metro Area.