Summary

Dr. Mark Obrien is a Doctor of Osteopathy who specializes in internal medicine and emergency medicine. He earned his medical degree from A.T. Still University Kirksville College of Osteopathic Medicine and brings 45 years of experience to his practice. His extensive background spans nearly five decades of treating patients across multiple medical disciplines.

Dr. Obrien practices at several locations throughout Iowa and Missouri, including Fort Madison and Keokuk, Iowa, as well as Maryville, Missouri, and Ottumwa, Iowa. He treats conditions such as alcohol withdrawal, substance abuse issues, and colon polyps. His procedural expertise includes performing diagnostic pathology tests, breast cancer screenings, and kidney transplant biopsies. Patients rate him highly for his care, giving him an average score of 4.9 out of 5.

AI-generated from data on this provider profile.

Quick Facts

  • 4.9
  • 45 years of experience
  • 2 insurance plans accepted
  • A T Still University Kirksville College Of Osteopathic Medicine
  • 7 written reviews
  • 2 specialties
  • 7 areas of expertise
  • 4 office locations
  • Male

Office Locations

Dr. Mark S Obrien has 4 locations

Dr. Mark S Obrien

1600 Morgan StKeokuk, IA 52632

Mosaic Medical Center Maryville

2016 S Main StMaryville, MO 64468

Ottumwa Regional Health Center

1001 Pennsylvania AveOttumwa, IA 52501

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Dr. Mark S Obrien, DO
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Dr. Mark S Obrien, DOJR Terence John CullenDr. Mohaddeseh SharifzadehDr. Syed Muhammad Hussain Zaidi
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients
4.9 
45 Years of Experience 16 Years of Experience 9 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Fort Madison , IADes Moines , IAWest Burlington , IAWest Burlington , IA
Med School: A T Still University Kirksville College Of Osteopathic Medicine Med School: Shiraz University Of Medical Sciences Med School: Dow Medical College
Current Profile
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Insurance Plans Accepted by Dr. Mark S Obrien

  • BLUE CROSS of CALIFORNIA - HMO
  • UnitedHealthcare

Medical Specialties

Dr. Mark S Obrien has the following 2 specialties

Specialty Expertise

Dr. Mark S Obrien has the following 7 areas of expertise

  • Check-up
  • Emergency Medicine
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

45 Years Experience

EDUCATION & TRAINING

Medical School

A T Still University Kirksville College Of Osteopathic MedicineGraduated in 1981

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Frequently Asked Questions

Does Dr. Mark Obrien accept virtual/telehealth appointments?
Dr. Mark Obrien has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Mark Obrien accept my insurance?
You can see the insurance plans that Dr. Mark Obrien accepts on their Vitals profile.
How can I make an appointment with Dr. Mark Obrien?
You can find contact information for Dr. Mark Obrien here on Vitals.
Is Dr. Mark Obrien accepting new patients?
Dr. Mark Obrien has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Where is Dr. Mark Obrien's office located?
Dr. Mark Obrien's office is located at 5445 Avenue O, Fort Madison, IA, 52627.

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