Summary

Dr. Mary Marnach is a board-certified obstetrician and gynecologist who has dedicated over three decades to women's healthcare. She earned her medical degree from the Sanford School of Medicine at the University of South Dakota and completed her residency training at Mayo Clinic and Medical School. With 32 years of clinical experience, Dr. Marnach brings extensive expertise to her practice. She provides care in English.

Dr. Marnach practices at several Mayo Clinic locations throughout Rochester, Minnesota, including Mayo Clinic Hospital Methodist Campus, Mayo Clinic Hospital Saint Marys Campus, and Mayo Eugenio Litta Children's Hospital. She also serves patients at Olmsted Medical Center. Her clinical expertise encompasses high-risk pregnancies and breast engorgement management. She performs fetal ultrasounds to monitor developing babies and their health. Patients consistently rate Dr. Marnach highly for her care, giving her an average rating of 5.0.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 32 years of experience
  • speaks English
  • Mayo Clinic And Medical School
  • 1 specialty
  • 11 areas of expertise
  • 1 board certification
  • 5 hospital affiliations
  • 4 office locations
  • Female

Office Locations

Dr. Mary Lynn Marnach has 4 locations

Mayo Clinic

200 1st St SwRochester, MN 55905
Mon7:30 am - 5:00 pm
Tue7:30 am - 5:00 pm
Wed7:30 am - 5:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 5:00 pm
SatClosed
SunClosed

Mayo Clinic Hospital Saint Marys Campus

1216 2nd St SwRochester, MN 55902

Olmsted Medical Center

1650 4th St SeRochester, MN 55904

Mayo Clinic Hospital Methodist Campus

201 Center St WRochester, MN 55902

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Dr. Mary Lynn Marnach, MD
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Dr. Mary Lynn Marnach, MDDr. John Anson Occhino, MDDr. Patricia Simmons, MDDr. Cyra Mia-Bailey Cottrell
Obstetrics & GynecologyObstetrics & GynecologyObstetrics & GynecologyObstetrics & Gynecology
Accepts New Patients Accepts New Patients
4.5 
32 Years of Experience 23 Years of Experience 49 Years of Experience 7 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Rochester , MNRochester , MNRochester , MNRochester , MN
Med School: Sanford School Of Medicine Of The University Of South Dakota Med School: University Of Cincinnati College Of Medicine Med School: Univ Of Chicago Division Of Biological Sciences Pritzker School Of Medicine Med School: University Of Florida College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Mary Lynn Marnach

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Mary Lynn Marnach has the following specialty

Specialty Expertise

Dr. Mary Lynn Marnach has the following 11 areas of expertise

  • Birth Control
  • C-section
  • Child Birth
  • Hot Flashes
  • Infertility
  • Menopause
  • Menstrual Pain
  • Pap Smear
  • Pelvic Exam
  • Pregnancy
  • Women's Health

Certifications, License, & Education

32 Years Experience

MEDICAL LICENSE

Medical Doctor, Minnesota, 2025, Expired

EDUCATION & TRAINING

Residency

Mayo Clinic And Medical School

Medical School

Sanford School Of Medicine Of The University Of South DakotaGraduated in 1994

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Frequently Asked Questions

Where is Dr. Mary Marnach's office located?
Dr. Mary Marnach's office is located at 200 1st St Sw, Rochester, MN, 55905.
Which hospitals is Dr. Mary Marnach affiliated with?
Dr. Mary Marnach is affiliated with Mayo Clinic Hospital Methodist Campus, Mayo Clinic Hospital Saint Marys Campus, Mayo Clinic Health Systems Austin, Olmsted Medical Center, and Mayo Eugenio Litta Childrens Hospital.
Does Dr. Mary Marnach accept my insurance?
You can see the insurance plans that Dr. Mary Marnach accepts on their Vitals profile.
Does Dr. Mary Marnach accept virtual/telehealth appointments?
Dr. Mary Marnach has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Mary Marnach accepting new patients?
Dr. Mary Marnach is accepting new patients on Vitals. View Dr. Mary Marnach's profile on Vitals to make an appointment.

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