Welcome to Green Valley OB/GYN

Overall patient rating:

Established more than 70 years ago, Green Valley OB/GYN is one of the oldest and most respected medical practices in the Triad. Our practice is comprised of board-certified obstetricians and gynecologists with decades of combined experience in caring for the healthcare needs of the women in Greensboro, North Carolina, and the surrounding areas.

In addition to providing a wide range of obstetric and gynecological services and procedures, the physicians and medical professionals at Green Valley OB/GYN have extensive experience in the management of both high- and low-risk pregnancies.

Their experience is backed by the group’s dedication to continued training and education. All members of our team use the latest minimally invasive surgical techniques and advanced laparoscopic and hysteroscopic surgical methods to solve many gynecological problems that formerly required major surgery.

We are committed to providing high-quality, patient-centered care to women in all stages of life from adolescence to post-menopause.

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About Our Practice

  • Providers

  • Services

  • Links And Forms

  • Locations

  • Contact Us

  • Sidney Callahan

    DO

  • Dyanna Clark

    MD

  • Michelle A. Horvath

    MD

  • Michelle Marinone

    MD

  • Kendra H. Ross

    MD

  • Robert M. Wein

    MD

We Provide The Following Services

  • Obstetrics + Reproduction
  • Pregnancy Care and Delivery
  • Contraception
  • Ultrasound and Imaging
  • Gynecology + Wellness
  • Annual Exams
  • Menopause
  • Urogynecology

Green Valley OB/GYN: Greensboro

  • Monday: 8:00 AM - 5:00 PM
  • Tuesday: 8:00 AM - 5:00 PM
  • Wednesday: 8:00 AM - 5:00 PM
  • Thursday: 8:00 AM - 5:00 PM
  • Friday: 8:00 AM - 5:00 PM

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    Patient Reviews

    Overall patient rating for Green Valley OB/GYN:

    Annual Well Woman Exam

    Examination went very well. Not painful.

    Review for Robert Wein, MD

    Annual Well Woman Exam

    She treats me as an individual person, not just another patient. She listens when I answer her questions. She asks follow-up questions to make sure she understands what I’m trying to say.

    Review for Michelle Horvath, MD

    Annual Well Woman Exam

    This was my first visit with Dr. Ross as my previous doctor, (Dr. Alan Ross)had retired. She was comforting, kind, responsive and empathetic to my concerns. She offered possible treatments and discussed all the risks and benefits to help me make an informed decision on how to proceed. I am relieved to find a doctor I feel I can trust and with whom I can be comfortable.

    Review for Kendra Ross, MD

    Gynecological Ultrasound / Sonogram

    Everyone was very nice, just wished they were able to see what they needed to.

    Review for Dyanna Clark, MD

    Annual Well Woman Exam

    Did not have to wait long. Nurse was very personable and friendly. Dr. Ross was engaging and interested in me. I like her energy

    Review for Kendra Ross, MD

    Annual Well Woman Exam

    Dr. Ross is awesome, she’s so easy to talk to you and I don’t ever feel judged about any issue or any concern that I voice to her.

    Review for Kendra Ross, MD

    Annual Well Woman Exam

    The office is wonderful! The staff is very nice! Nurses are great!! Dr. Horvath cares about you and listens!! Wonderful practice!!!!!!!!!

    Review for Michelle Horvath, MD

    Annual Well Woman Exam

    Dr Callahan is the kindest, most gentle professional who is a great listener. She remembers every detail from the previous appointments. She deeply cares about her patients.

    Review for Sidney Callahan, DO

    Lab Work

    Friendly staff and quick and correct diagnosis of my issue. Treatment was effective.

    Review for Dyanna Clark, MD

    IUD Insertion / Removal

    Dr. Clark is thorough in explaining and addressing all of my concerns. She is patient and personable which makes discussing sensitive topics much easier.

    Review for Dyanna Clark, MD

    Overall patient rating:

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