Our Team

California Pacific’s Prenatal Diagnosis Center Team consists of many healthcare professionals including physicians, genetic counselors, nurses and ultrasonographers.

Physicians

Denise Main, M.D.
Dr. Main is Director of the Prenatal Diagnosis Center and boarded in four medical specialties: obstetrics and gynecology, maternal fetal medicine, medical genetics, and pediatrics. She is a founding fellow of the American College of Medical Genetics and has served on the board of the Society of Maternal Fetal Medicine. She was the founder of California Pacific's Prenatal Diagnosis Center, which she established in 1990.

Carl Otto, M.D.
Dr. Otto is Director of Ultrasound at the Prenatal Diagnosis Center. He is a diplomate of the American Board of Obstetrics and Gynecology and has a subspecialty certification in Maternal Fetal Medicine. He has served as a member of the Board of Directors of the American Institute of Ultrasound in Medicine (AIUM). Dr. Otto performs a variety of prenatal diagnostic procedures, including CVS, amniocentesis, fetal echocardiography, fetal umbilical cord sampling, fetal transfusions and other highly skilled procedures.

Kimberlee Sorem, M.D.
Dr. Sorem is one of our very skilled perinatologists at the Prenatal Diagnosis Center. She is a diplomate of the American Board of Obstetrics and Gynecology and has a subspecialty certification in Maternal-Fetal Medicine. In addition to her interest in prenatal diagnosis and obstetrical ultrasound, Dr. Sorem has participated extensively throughout the Bay Area in programs for the management of diabetes in pregnancy. She has worked with the California Diabetes and Pregnancy Program (CDAPP) since 1994 and is currently the Medical Director for the Diabetes and Pregnancy Program at California Pacific Medical Center.

Regina Arvon, M.D.
Dr. Arvon is one of our very skilled perinatologists at the Prenatal Diagnosis Center. She has completed fellowships in reproductive genetics and maternal-fetal medicine. She is a member of the International Society of Ultrasound in Obstetrics and Gynecology. Dr. Arvon performs a variety of prenatal diagnostic procedures, including CVS, amniocentesis, fetal umbilical cord sampling, and other highly skilled procedures. Her areas of interest include management of high risk pregnancy and determining genetic causes of pregnancy complications and loss. She is a member of the American Society of Human Genetics and has presented her research on genetics related topics both nationally and internationally.

Kristin Marie Pullen, M.D.
Dr. Pullen is Associate Director of Prenatal Ultrasound and Director of Perinatal Outreach. She is board certified in the American Board of Obstetrics and Gynecology and Maternal-Fetal Medicine. Dr. Pullen performs amniocentesis, fetal umbilical cord sampling, multifetal pregnancy reductions, and selective terminations. She has a great interest in pregnancy loss, cervical insufficiency, preterm labor, intrauterine growth restriction, and multiple gestations.


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