CARE Team
Dr. Karen Purcell, MD, PhD is a board-certified physician and is the founder and director of CARE for the Bay Area.  Dr. Purcell graduated from Yale medical school and completed her fellowship training at the University of California, San Francisco.  She has over twelve years medical experience with a focus on fertility and endocrinology.  Her professional experience includes leading several medical research projects on complementary medicine and fertility, earning her award-winning recognition.

What makes Dr. Karen Purcell unique is her vast experience alongside her personal and warm style.  She is compassionate and deeply committed to each of her patients.

Honors and Awards
  • Endocrine Fellows Foundation Grant, University of California, San Francisco
  • NIH Reproductive Sciences Training Grant, University of California, San Francisco
  • PacRim Grant, University of California, San Francisco
  • Administrative Chief Resident, University of California, Los Angeles
  • Berlex Resident Teaching Award, University of California, Los Angeles
  • Wyeth-Ayerst Resident Reporter for ASRM, University of California, Los Angeles
  • Wyeth-Ayerst Resident Reporter for ACOG, University of California, Los Angeles
Embryologist




Dr. Xinli Yang, PhD, HCLD (ABB) is the laboratory director at CARE for the Bay Area. She received her PhD degree in Tongji Medical School in China and finished her postdoctoral training at UC Berkeley. Her early research focused on progesterone receptor gene expression.  She has more than 13 years experience in the human IVF field. She is a board-certified High Complexity Laboratory Director (HCLD) in the disciplines of embryology and andrology.  Dr. Yang has established high standards for both the embryology and andrology laboratories at CARE, where she makes sure each CARE patient receives the best care in state-of-the-art-facilities and from experienced embryologists.
Patient Care Coordinators

Our caring, kind and compassionate team of Patient Care Coordinators is here to assist you on our journey towards your goal of achieving a healthy family.  Please don't hesitate to reach out to any member of our staff with your questions and/or concerns regarding your treatment, medications, insurance or financial matters.  In addition to answering any questions that you may have, they can likewise assist you with scheduling appointments, verifying insurance benefits and addressing any financial questions that you may have. Our team members can also direct you to staff members who can provide you with more detailed information regarding infertility or your specific treatment, should you need it.

Patient Care Coordinators

  • Stephanie Kurihara, NP
  • Michelle Julaton, NP
  • Sandra Vital, CMA
  • Erika Hernandez, CMA
  • Kat Castellanos, Surgical Technician
Laboratory Team
  • Brandon Wong
  • Shelby Wallace
New Patient & Financial Coordinators
  • Irene Poespowidjojo
  • Patricia Hogan 

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