Anna R. Niesen, MD

My Philosophy and Approach to Wellness...

My goal is to manage and anticipate your unique healthcare needs. As an MDVIP-affiliated doctor, I will partner with you on a personal level to help you achieve the optimal health we all value. We will closely collaborate on what it takes to stay on the path to wellness. You will feel welcomed by the relaxed, individualizedĀ attention you will receive from everyone in our office.

Physician Profile


Marywood University
Scranton, PA
Bachelor of Science, Biology 1971
Magna Cum Laude
Medical School
Saint Louis University School of Medicine
Saint Louis, MO
Doctorate of Medicine 1975
Saint Mary's Health Center
Saint Louis, MO
Saint Mary's Health Center
Saint Louis, MO
Saint Mary's Health Center
Saint Louis, MO
Gastroenterology 1978-1980



Professional Affiliations and Appointments

Quality Assurance Board, United Health Care Midwest
Head of Peer Review Committee, Saint Mary's Health Center

Hospital Affiliations

Saint Mary's Health Center
Missouri Baptist Medical Center


American Board of Internal Medicine
American Board of Gastroenterology

Patient Testimonials

  • Member: Robert

    I have been a patient of Dr. Niesen for more than 20 years and can't even begin to tell you how much I appreciate her care. If it...

  • Member: Wayne

    Have been going to Dr. Niesen for over 30 years. She is an outstanding doctor who really cares about her patients.

  • Member: sandra

    dr. niesen has been my physician for over 20 years. she has always been there for my whenever i needed her, if not for her, i may...

  • Member: Janet

    On April 14, 1989, I gave birth to my second son at St. Mary's Hospital in St. Louis. Shortly after his birth, I began experienci...