• Peninsula Pediatric Medical Group PhysiciansPeninsula Pediatric Medical Group Physicians

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San Mateo (650) 342-4145

Burlingame: (650) 259-5050

Menlo Park: (650) 497-0660

Our Pediatricians

Your child is our top priority

Meet our team at Peninsula Pediatric Medical Group. Please take a few moments to learn about our skilled practitioners and our friendly, nurturing staff.

At Peninsula Pediatric Medical Group, we consider it both a great joy and responsibility to care for children. Most of us are parents ourselves, so we strive to be understanding and available to the families we are privileged to serve. We are honored that you have chosen us as your child's primary medical provider and are confident that you will be pleased with the quality of care and service that we can provide you and your family.

A vital part of our service to children begins with our outstanding staff, who work hard to manage and maintain a professional, caring and supportive environment for our patients in a timely manner. Our doctors are lifelong learners. Not only have they received advanced medical training in pediatrics, they continually pursue ongoing education to stay abreast of the latest in children's health care.

Your child's health is as important to us as it is to you. We look forward to providing you with the excellent medical care your child deserves.

All of our pediatricians are certified by the American Board of Pediatrics and are members of the American Academy of Pediatrics.

San Mateo

Mark Showen

Mark Showen, MD, has been practicing pediatrics in San Mateo for over 30 years. He is interested in the entire range of childhood and adolescent health problems as well as preventive care. He makes an extra effort to help toddlers and younger children feel comfortable during their visits and he greatly enjoys working with adolescent patients. When not in the office, he enjoys spending time with his wife, son, two daughters and two dogs and pursuing his hobbies of windsurfing and tennis.

Peter Wang

Peter Wang, MD, has been in practice for over 25 years. He has special interests in allergy, asthma, nutrition, social-emotional health, sports medicine and the needs of young athletes. When away from the office, Dr. Wang finds great joy in spending time with his wife and two children. Other spoken languages include some Japanese.

Jenny Yang

Jenny Yang, MD, provides comprehensive care for children of all ages and has special interests in child development and preventive care. She is passionate about serving the community and building strong relationships with families in her practice. Dr. Yang enjoys working with new parents and teaches newborn and baby care classes at Mills Peninsula Medical Center. She also enjoys playing the piano and violin, traveling, volunteering with local community groups, and spending time with her husband, son and daughter. She is partially fluent in Mandarin Chinese.

Vanita Jindal

Vanita Jindal, MD, enjoys working with children of all ages. She creates compassionate bonds with her patients and works collaboratively with their families for a team-centered approach to health care. Due to her strong interest and training in endocrinology, Dr. Jindal specializes in issues pertaining to growth, puberty, obesity, diabetes and thyroid dysfunction. She is a Bay Area native who has served her local communities at Children's Hospital of Oakland and UCSF. She has also spent time treating underserved children in Zambia and El Salvador. When not at work, she enjoys an active lifestyle. A few of her favorite activities include road biking, running, hiking and skiing.

 Geoffrey Hart-Cooper

Geoffrey Hart-Cooper, MD, has a passion for preventive care and adolescent health, including working with LGBTQ youth and families. He graduated from the Pediatric Leadership for the Underserved program at UCSF and completed fellowships through Fulbright and the Centers for Disease Control and Prevention.

Burlingame Office

Jeffrey Tan

Jeffrey Tan, MD, has clinical interests that encompass all of general pediatrics but especially enjoys getting to know children and their families. He was named one of the Bay Area’s Top Doctors by San Francisco Magazine 2015-2017. When not at work, Dr. Tan enjoys biking, traveling, movies, and spending time with his wife and two children.

Tara Tanaka, MD, has been in practice for over 15 years and sees children from young infancy through adolescence. She truly enjoys taking care of newborns and values the relationships she builds with her patients and families over time. Dr. Tanaka's areas of interest include child behavior and development, nutrition and integrative medicine, and helping children build important life skills . In her spare time, Dr. Tanaka enjoys running, cooking, returning  to her “roots” and  family in Hawaii and spending time with her husband and two children.

Kali Zivitz

Kali Zivitz, MD, enjoys the range of pediatrics and takes great pleasure in assisting parents in navigating the various stages of childhood from birth through adolescence. She has a particular interest in nutrition as well as newborn issues, having worked in the nurseries at Mills Peninsula Hospital and CPMC in San Francisco. She is also interested in the helping parents understand the impact of social media and screens on our children and teens, When not at work, Dr. Zivitz enjoys running, camping, traveling, reading and baking as well as spending time with her three boys.

Jean Yuan

Jean Yuan, MD, enjoys caring for children of all ages and working collaboratively with families through all aspects of pediatric care. As a mother of two young boys, she has a strong interest in working with new parents and has given talks in the community on topics related to pediatrics and parenting. She has worked with children in international and disaster-relief settings. In her spare time, Dr. Yuan enjoys hiking, playing tennis, and reading. She speaks Mandarin Chinese and has a working knowledge of Spanish.

Carina Baird

Carina Baird, MD, thoroughly enjoys children and their families. Her passion is building a strong, collaborative partnership with parents, from the time they bring their newborn home from the hospital through seeing their adolescent off to college. She draws on experiences from her education and training at UCSF, working as a neonatal hospitalist at Mills Peninsula, teaching clinical pediatrics at San Francisco General Hospital, and from being a mother to four young sons. Outside of work, Dr. Baird loves spending time with her family, and enjoys reading, travel and playing piano. She has worked abroad and is fluent in Spanish.

David Wanderman

David Wanderman, MD, enjoys caring for children of all ages, especially newborns. Dr. Wanderman strives to understand the child in the context of the whole family and seeks to develop a collaborative relationship with the patient and family, whether they’re discussing complex conditions or an overall approach to wellness and healing. Dr. Wanderman enjoys vegetarian cooking, hiking, running and spending time with his wife and two young children. He is a board member of Global Strategies, a non-profit group dedicated to improving health care for women and children in neglected parts of the world and is also the chair of pediatrics for the Mills Peninsula Hospital System.

Menlo Park

Jennifer Kaufman

Jennifer L. Kaufman, MD, graduated with honors from NYU medical school and completed her residency at Mount Sinai Medical Center. She enjoys the entire range of pediatrics and takes particular interest in newborns and the issues new parents face. As a mother of two children, she loves providing practical, mom-tested advice to her patients. In 2016, she was the recipient of both the Sutter Medical Quality Care Award and the Clinical Excellence Award for Primary Care from the Packard Children’s Health Alliance. She has written several articles for new parents on parenting skills.

Geoffrey Hart Cooper

Geoffrey Hart-Cooper, MD, has a passion for preventive care and adolescent health, including working with LGBTQ youth and families. He graduated from the Pediatric Leadership for the Underserved program at UCSF and completed fellowships through Fulbright and the Centers for Disease Control and Prevention.

Ambreen Syed

Ambreen Syed, MD, was born and raised in Oregon. She attended medical school at Eastern Virginia Medical School and completed her residency and internship at Albert Einstein College of Medicine’s Jacobi Medical Center. Dr. Syed thoroughly enjoys working with the family unit and guiding families through the various stages of development. In addition to working with children and new families, Dr. Syed has a strong interest in medical education and draws from her clinical teaching experience at Jacobi Medical Center. In 2015, she was awarded the Exceptional Service Award from the Department of Pediatrics at the Albert Einstein College of Medicine. In her free time, she loves spending time with her husband and two young children and enjoys cooking, traveling and skiing.