Prenatal Diagnosis and Treatment

Meet Your Team

We take a team approach to caring for you and your baby. To make sure you both get complete care, specialists at Seattle Children’s work with your obstetrician. We stay in close communication with you – and with each other – to decide the best treatment plan.


  • Mark B. Lewin, MD

    Mark B. Lewin, MD

    Division Chief, Cardiology; Co-Director, Heart Center; Director, Prenatal Diagnosis and Treatment Program; Thomas Bradley Armstrong Endowed Chair in Pediatric Cardiology

  • Wendy McGrath, MSOTR/L, clinic manager

    Wendy McGrath, MSOTR/L, clinic manager

  • Bhawna Arya, MD

    Bhawna Arya, MD

    Director, Fetal Cardiology


Clinic nurses

  • Bailey Brinks, RN (Prenatal Clinic)

  • Alayne Hill, RN

  • Sarah Lehecka, RN (Prenatal Center)

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  • Feven Gebrekristos

  • Edith Leal

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Genetic counselor

  • Kiana Siefkas, MS, CGC

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Program coordinator

  • Brittany Warren

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Social worker

  • Tristan Symons, LICSW

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Contact Us

For more information, contact the Prenatal Clinic at 206-987-5629. If you would like an appointment, ask your pregnancy provider for a referral.

Providers, see how to refer a patient.