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Bridget O'Brien, D.O., FACS

General Summary

Dr. O'Brien is a fellowship-trained breast surgical oncologist. After completing her fellowship, she expanded her clinical experience as a surgeon and assistant professor at a community-based academic hospital in Columbus, OH.

Dr. O'Brien treats male and female benign and malignant breast conditions including fibrocystic disease, fibroadenoma, nipple discharge,  gynecomastia, abscess, mastitis, diabetic mastopathy, breast cancers, Phyllodes tumor, and breast sarcoma. She performs minimally-invasive office procedures including ultrasound-guided biopsy and aspiration. To achieve the best operative oncologic and cosmetic outcome, she uses Oncoplastic and Hidden Scar techniques for lumpectomy and nipple-sparing mastectomy.


  • Fellowship in Breast Surgical Oncology
    University of Miami, Jackson Memorial Hospital, Miami, FL
  • Residency in General Surgery
    West Virginia University, Charleston Area Medical Center, Charleston, WV
  • Medical School
    West Virginia School of Osteopathic Medicine, Lewisburg, WV

Medical Practice

Research Interest

Surgery Locations

Other Information

Dr. O'Brien was raised in West Virginia sparking her love and appreciation for the outdoors. She enjoys spending time with her family and friends, road cycling, traveling and cooking. She has a great interest in male breast cancer, triple negative and HER2Neu positive breast cancer, neoadjuvant chemotherapy, intraoperative radiation therapy, and patient education and advocacy. She is a national speaker for Bright Pink and an instructor for Hidden Scar™ Surgery.

Accolades & Memberships

  • Williamson County Medical Association President
  • American Society of Breast Surgeons
  • Society of Surgical Oncology
  • American College of Surgeons
  • Director of Cedar Park Regional Medical Center Breast Center of Excellence Program
  • Seton Breast Clinic Breast Surgery, Staff Member

Community Service

Breast Cancer Surgery Certificates

  • American Board of Surgery Board Certified in General Surgery
  • American Society of Breast Surgeons Ultrasound Certification
  • Hidden Scar Certificate of Training


  • Disparities in Male Breast Cancer - The Florida Experience

    Clinical Breast Cancer, 2015

  • Current Treatment Guidelines for Postoperative Surgical Site Infection: Clinical Considerations in the Surgical Care Improvement Project Era

    The American Surgeon, 2015

  • Gallbladder Carcinoma in a Patient with Streptococcus bovis Bacteremia

    West Virginia Medical Journal, 2014

  • The Impact of the Implementation of the Bethesda System for Reporting Thyroid Cytopathology on the Surgical Treatment of Thyroid Nodules

    American Surgeon, 2012