Mari Su, MD

Francine Armentano, NP, is a healthcare provider specializing in gastroenterology, affiliated with ColumbiaDoctors and NewYork-Presbyterian at the Columbia University Irving Medical Center in New York, NY. The practice offers a range of services, including access to a patient portal for managing appointments, communicating with healthcare providers, and viewing test results. Patients can benefit from the Columbia Connect app, which facilitates health management by allowing users to request prescription refills, pay bills, and find doctors. The practice is committed to patient safety and provides resources for those seeking second opinions and virtual visits. Generated from the website

"Estee Ephron is a Board-Certified Pediatric Nurse Practitioner with advanced clinical training in Rheumatology. She graduated from Columbia University with her Doctoral degree as a Nurse Practitioner in 2019. Prior to joining our team here at Columbia, she practiced as Nurse Practitioner on the inpatient Pediatric Oncology/Bone Marrow Transplant floor at NewYork-Presbyterian Morgan Stanley Children's Hospital. Collaborating with Dr. Lisa Imundo, Estee provides patient and family centered care for a wide variety of pediatric and adolescent rheumatologic conditions including but not limited to Juvenile Idiopathic Arthritis, Systemic Lupus Erythematosus, Spondylarthritis, Psoriatic Arthritis, Sjogren’s Syndrome, Amplified Pain Syndrome, Familial Mediterranean Fever and Scleroderma. Estee is very passionate about her patients and is committed to providing them with the best level of care."

Jason Liebowitz, MD, FACR, completed undergraduate studies atJohns Hopkins University, where he was inducted into Phi Beta Kappa. Heattended medical school at Johns Hopkins University School of Medicine andcompleted his Internal Medicine residency at Johns Hopkins Bayview MedicalCenter, where he served as Chief Resident. He completed his Rheumatologyfellowship at Johns Hopkins Hospital and was nominated for the 2019Distinguished Fellow Award from the American College of Rheumatology. Hisresearch and writings have been published in The New England Journal ofMedicine, JAMA, JAMA Internal Medicine, Arthritis Care and Research, andThe Journal of Graduate Medical Education, among other journals. Heparticipated in fellowships with the American Federation for Aging Research(Medical Student Training in Aging Research), the American Austrian Foundation(Max Kade Clinical Clerkship in Vienna, Austria), and the Fellowships at Auschwitzfor the Study of Professional Ethics (through Yale School of Medicine). Heis a co-editor of the textbook Clinical Innovation in Rheumatology: Past,Present, and Future and a co-editor of the textbook series InterdisciplinaryRheumatology. He is also a staff writer for The Rheumatologist, aperiodical that reaches over 10,000 readers. He is board certified inrheumatology and internal medicine.