Summary

Dr. Mary Marnach specializes in obstetrics and gynecology, providing comprehensive care for women's health needs. She earned her medical degree from 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 experience in women's healthcare, Dr. Marnach has developed extensive expertise in her field. She provides care in English for her patients.

Dr. Marnach practices at multiple locations throughout Rochester, Minnesota, including Mayo Clinic Hospital Methodist Campus, Mayo Clinic Hospital Saint Marys Campus, and Olmsted Medical Center. She also serves patients at Mayo Clinic Health Systems Austin and Mayo Eugenio Litta Children's Hospital. Her practice focuses on delivering personalized obstetric and gynecologic care to women at various stages of life. 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
  • 5 hospital affiliations
  • 4 office locations
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

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. Roger Dyke Kempers, MDDr. Diana Gillman, MDDr. Douglas Paul Derleth, MD
Obstetrics & GynecologyObstetrics & GynecologyObstetrics & GynecologyNeonatology
Accepts New Patients
32 Years of Experience 30 Years of Experience 45 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: Wayne State University School Of Medicine Med School: University Of Minnesota Medical School Med School: Wayne State University School 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

Dr. Mary Lynn Marnach holds an expired medical license in the state of Minnesota.

Medical License

Medical Doctor with an expired medical license in the state of Minnesota that expired in 2025.

Education & Training

Residency

Completed their residency at Mayo Clinic And Medical School.

Medical School

Graduated from Sanford School Of Medicine Of The University Of South Dakota in 1994.

NPI Number

Dr. Marnach's NPI number is 1790756096.

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Frequently Asked Questions

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.
What languages does Dr. Mary Marnach speak?
Dr. Mary Marnach speaks English.
Where is Dr. Mary Marnach's office located?
Dr. Mary Marnach's office is located at 200 1st St Sw, Rochester, MN, 55905.
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.
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.

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