• Our Providers

  • Erica Drennen, MD, Comprehensive OBGYN, Parker, ColoradoErica Drennen, MD

    Dr. Drennen completed her undergraduate studies at the University of Notre Dame and received her medical degree from Ohio State University. She completed her residency training in OB/GYN at Ohio State University. Her areas of expertise include obstetrics, high-risk pregnancies, gynecology, adolescent and menopause care, minimally invasive surgery, pelvic pain, family planning/contraception and infertility, Essure transcervical sterilization and abnormal bleeding. Dr. Drennen participates in triathlons and enjoys all outdoor activities.

  • Dr. Shannon IngwersenShannon Ingwersen, MD

    Dr. Ingwersen specializes in Obstetrics and Gynecology and is dedicated to honoring each patient’s dignity and individuality. In addition to diagnosing and treating women’s medical conditions, Dr. Ingwersen enjoys the relationships that are developed with her patients and focuses on helping promote health and wellness at every stage of a woman’s life, from adolescence through menopause.

  • Lee-smallChia-Hui Lee, MD

    Dr. Lee completed her BA degrees from the Johns Hopkins University in Biology and Psychology. She then earned her medical degree from the Johns Hopkins School of Medicine and completed her OB/GYN residency at Women and Infants Hospital, Brown University.



  • lee_sunme_new_resize2.jpgSusan Sunmee Lee, MD

    Dr. Lee received her bachelor’s degree in biochemistry, molecular biology, and cellular biology from Northwestern University. She received her medical degree from Northwestern University Medical School and completed her OB/GYN residency at Lutheran General Hospital in Park Ridge, Ill., serving her final year as a chief resident.



  • McKay-smallRandi McVay, MD

    Dr. McVay completed her residency at St. Josephs Hospital in Denver, after graduating from Louisiana State University Medical Center at Shreveport. She spent much of her childhood overseas, graduating from the Singapore American School. Dr. McVay is certified by the American Board of Obstetrics and Gynecology and is a member of the American College of OBGYN.

  • Cassandra Ragsdale, MDCassandra E. Ragsdale, MD

    Dr. Ragsdale offers women at all stages of their lives compassionate, empowering obstetrics and gynecological care. She is experienced in treating a full spectrum of OB/GYN conditions and has a special place in her heart for nurturing mothers during pregnancy, birth and beyond. She offers expertise in caring for a range of pregnancy-related disorders, including hypertension-complicating pregnancy, maternal anemia, preeclampsia, coagulation defects in pregnancy and postpartum, gestational diabetes and more.



  • WoodmanMegan Woodman, MD

    Dr. Woodman earned her bachelor’s degree from the University of Notre Dame and received her medical degree from Jefferson Medical College of Thomas Jefferson University.

  • Pollyanna PastorPollyanna Pastor, CNP

    Pollyanna Pastor received her bachelor’s in nursing from Loretto Heights College in Denver, Colorado. She earned her master’s in nursing from the University of Colorado Health Sciences Center, in 2002. Pollyanna maintains national certification as a Women's Health Care Nurse Practitioner with the National Certification Corporation.


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