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Dr. Anna R. Niesen, MD

Internal Medicine, Gastroenterology

4.4
Accepting new patients 15 years of experience

Overview

Dr. Anna R. Niesen, MD is an Internist (Gastroenterologist) in Saint Louis, MO. She specializes in Gastroenterology and Internal Medicine, has 15 years of experience, and is board certified. She graduated from St Louis U, School of Medicine and she is affiliated with SSM Health St. Mary’s Hospital - St. Louis, Missouri Baptist Medical Center, and Mercy Hospital St. Louis.


Dr. Niesen works at Bellevue Diagnosticians Inc.. She frequently treats conditions like Reflux Esophagitis,...

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User Ratings (of at least 4.0)

Accepting New Patients

Insurance Accepted

Conditions Treated and Procedures Performed

Online Scheduling

Headshot Available

Experience & Treatment Frequency

Search for conditions or procedures.

Diverticulitis, Intestinal
Esophagitis
Reflux Esophagitis
Diverticulitis, Intestinal
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Treatment Frequency

Very High
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Esophagitis
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Treatment Frequency

Very High
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Reflux Esophagitis
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Treatment Frequency

Very High
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Conditions and Procedures FAQ

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Insurance FAQ

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Ratings & Reviews

Average provider rating

4.4
Group 24

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About Dr. Anna R. Niesen, MD

Specialties

  • Internal Medicine
  • Gastroenterology

Years of Experience

15 years of experience

Languages Spoken

  • English

Gender

Female

NPI Number

1184709107

Education & Certifications

Medical Education

  • St Louis U, School of Medicine

Residency

  • St Mary's Health Center

Board Certifications

  • ABMS
  • Gastroenterology
  • Internal Medicine

Location

Bellevue Diagnosticians Inc.

1034 S Brentwood Blvd Ste 1000,

Saint Louis, MO 63117

314-781-8405

Admitting Hospitals

  • Mercy Hospital St. Louis
  • Missouri Baptist Medical Center
  • SSM Health St. Mary’s Hospital - St. Louis

Frequently Asked Questions

Dr. Niesen is accepting new patients on Healthline FindCare. You can check to see if Dr. Niesen is offering online scheduling or call the provider’s office for more information.

Dr. Niesen accepts Aetna, Anthem, CareFirst Blue Cross Blue Shield, Cigna, and other major insurance plans. Please call ahead to confirm all accepted insurance plans.

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