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Exceptional Women's Care:

Avera Medical Group Obstetrics/Gynecology



For more information or to make an appointment call 507-537-9007


Hours are Monday through Friday, 8 a.m. to 5 p.m.


Physicians Office Building, Lower level of Avera Marshall, 300 S. Bruce Street, Marshall, MN

Donna Hartfiel, MD, Heather Reber, MDBradley Bloemker, MD, and Monte Merrell, MD provide expert women-centered care at Avera Medical Group Marshall. With years of experience and a focus on meeting patient's needs, the team offers skilled, compassionate care for women in the Marshall region. 

New patients welcome!

Call 507-537-9007 for more information or to make an appointment.

Donna R. Hartfiel, MD, Obstetrics & Gynecology

  • American Board of Obstetrics & Gynecology
  • Medical School: South Dakota School of Medicine, Vermillion
  • Born and raised in southwest Minnesota

Heather Reber, MD, Obstetrics & Gynecology

  • Medical School: Sanford School of Medicine and the University of South Dakota
  • Provides care for women of all ages
  • Board eligible

Bradley Bloemker, MD, PhD, Obstetrics & Gynecology

  • Medical School:  Creighton University School of Medicine, Omaha
  • American College of Obstetrics & Gynecology
  • Provides care for women of all ages, specializing in treating pelvic organ prolapse, urinary incontinence and minimally invasive hysterectomy

Monte Merrell, MD, Obstetrics & Gynecology

  • Medical School: Creighton University School of Medicine, Omaha
  • American College of Obstetricians & Gynecologists, Junior Fellow
  • Provides care for women of all ages, with a special interest in high-risk obstetrics, post-menopausal medicine, laparoscopy and minimally invasive surgery

Clinic and Surgical Services

 Clinic Services

 Surgical Procedures

  • All pregnancies including high risk
  • Well-woman exams
  • Care for abnormal pap smears
  • Treatment for abnormal uterine bleeding
  • Surgical procedures
  • Evaluation of breast disorders and abnormalities
  • Peri-menopausal and menopausal issues
  • Cesarean sections
  • Colposcopy for abnormal pap smear
  • Endometrial ablation for heavy uterine bleeding
  • Hysteroscopy for abnormal uterine bleeding
  • Laparoscopy for pelvic pain
  • Urogynecology procedures

Access to the Most Advanced Technology in the Area

  • Telemedicine consultations with perinatologist (high risk OB doctor)
  • Telemedicine consultations for infections
  • 4-D ultrasound
  • Digital mammography
  • CT-64 slice
  • MRI
  • 24-hour laboratory testing
  • Fetal fFN (preterm delivery testing)
  • Hospital OB central monitoring with remote access by physicians
  • Specialized OB core nursing – all RNs