Michelle Zevallos-Ramos, NP

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.

Family medicine provides health care for people of all ages, from babies to older adults. Liliana Taich, MD is a board-certified physician, specializing in Family medicine. With an office conveniently located in Bronx, NY, Dr. Taich focuses on preventive care, diagnosis, and treatment of a variety of medical conditions to help you and your family stay healthy throughout life. Our doctors offer services like regular check-ups, vaccines, pediatric care, and more. Our team provides personalized care to help improve your family's health. Optum accepts most major health plans.