High-Risk Pregnancy Specialists

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High-Risk Pregnancy Specialists

Women and Children's Services

Specialists

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Perinatology
Justin P. Collingham	(925) 941-7985	more info
Jeffrey D. Traynor	(925) 941-7985	more info
Rosa H. Won	(925) 941-7985	more info

John Muir Perinatal Medical Group
1656 N. California Blvd, Suite 300
Walnut Creek, CA 94598
Phone: (925) 941-7985
Fax: (925) 941-7986

Justin P. Collingham, M.D., FACOG
Dr. Collingham received his medical degree from the University of Pennsylvania. He completed his residency in Obstetrics and Gynecology at Northwestern University and his fellowship in Maternal-Fetal Medicine at Stanford University.

Dr. Collingham's academic achievements include memberships in Phi Beta Kappa and Alpha Omega Alpha honor societies. He was recently awarded the Department of Obstetrics and Gynecology teaching award at Stanford University. He is board certified in Obstetrics and Gynecology and board eligible in Maternal-Fetal Medicine. More

Jeffrey D. Traynor, M.D., M.B.A., FACOG
Medical Director Dr. Traynor concurrently received his medical degree and master's in business administration from Northwestern University. He completed his residency in Obstetrics and Gynecology at Northwestern University and fellowships in Maternal-Fetal Medicine and Medical Genetics at Stanford University. Dr. Traynor is board certified by the American Board of Obstetrics and Gynecology in Obstetrics and Gynecology and Maternal-Fetal Medicine. More

Rosa H. Won, M.D., FACOG
Dr. Won received her medical degree from New York Medical College. She completed her residency in Obstetrics and Gynecology and fellowship in Maternal-Fetal Medicine at the University of California, Davis. She is board certified by the American Board of Obstetrics and Gynecology in Obstetrics and Gynecology and Maternal-Fetal Medicine. More


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High-Risk Pregnancy Specialists

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Perinatology