Reyna E Payero, MD

Patricia Vuguin, MD, MSc, is Associate Professor of Pediatrics and Director of the Pediatric Endocrine Fellowship Program at Columbia University Medical Center (CUMC). She is also Medical Director of the Pediatric Thyroid Center at CUMC and NewYork-Presbyterian/Morgan Stanley Children’s Hospital. Her expertise includes thyroid disease, metabolic syndrome, glucose metabolism, growth, puberty and disorders of puberty, and fetal programming of adult disease. Dr. Vuguin is an accomplished clinician, researcher, and educator. She is fluent in Spanish and English and empathetic to the medical needs of New York’s Hispanic community. In her leadership role for the Pediatric Thyroid Center, she collaborates with a multidisciplinary team of specialists to care for children and adolescents with thyroid disorders, such as thyroid nodules and papillary thyroid cancer. In addition, Dr. Vuguin was the recipient of K08 and R21 awards from the National Institutes of Health (NIH), independent grants from pharmaceutical companies, and funding from the Juvenile Diabetes Research Foundation. She has published more than 50 peer-reviewed articles in research journals; presented her research findings at national and international meetings; and is an active member of the Pediatric Endocrine Society and the Society of Pediatric Research. Dr. Vuguin also completed a Master of Science Training Program in Clinical Research, an NIH-funded program offered by the Department of Epidemiology and Biostatistics at Albert Einstein College of Medicine. Prior to Columbia, Dr. Vuguin provided clinical care at Jacobi Medical Center, Montefiore Medical Center, and North Shore-Long Island Jewish (LIJ) Health System (now Northwell Health). She is a member of the SuperDoctors ® list and received an Outstanding Teacher Award from North Shore-LIJ Health System. The American Medical Association’s Board of Trustees also selected her to serve on the Accreditation Council for Graduate Medical Education Review Committee for Pediatrics.

Doreen Kramer, CNM is a Certified Nurse Midwife at CUMC currently practicing at ColumbiaDoctors Riverdale. Doreen received her BA from New York University Gallatin School of Individualized Studies and a MSN specializing in Midwifery at Columbia University School of Nursing. Her mind body approach to health and wellbeing is influenced by her Chinese heritage and prior years of experience as a Certified Yoga Instructor and Certified Doula. She is passionate about supporting her patients’ physical and emotional wellness throughout their sexual and reproductive lifespans. Open-minded and curious, Doreen loves working with teens and adults of all genders and sexual orientations to provide individualized, holistic, respectful, and empowering gynecologic and obstetric care. Her areas of focus include: routine gynecology, STI prevention/treatment, family planning and birth control options, pregnancy, postpartum care, parenting support, stress management, and breastfeeding support. Outside of work she enjoys travel, being active in nature, and expressing herself creatively.

John van Bockxmeer is a board-certified family physician whomoved to New York from Western Australia. Dr van Bockxmeer aims to delivertrauma-informed, compassionate and evidence-based care for patients of any ageor gender identity. John wishes to partner with patients and make shared plans.He has dual training in Emergency Medicine and an interest in chronic diseaseand healthy lifestyle choices. He is committed to improving the lives of othersand recently worked as a senior doctor in the opioid crisis response in BritishColumbia, Canada.He has a passion for health equity with clinical experienceacross six continents. He has a master's in public health and Tropical Medicineand enjoys research and volunteering with medical students in NorthernManhattan.