Anna Niesen, MD
Internal Medicine, Gastroenterology
4.5(18 reviews)
6400 Clayton Road, Ste 201, St Louis, MO 63117
Conditions Treated
- Colon Cancer Risk
- Difficulty Swallowing
- Stomach Inflammation (Gastritis)
- Pre-Cancerous Conditions Of Esophagus (e.g. Barrett's Esophagus)
- Hemorrhoids
- Esophagus Inflammation (Esophagitis)
Specialized Treatments
- Upper Endoscopy
- Diagnostic Colonoscopy (With Biopsy)
- Upper Endoscopy (With Biopsy)
- Stool Test (Blood)
- Screening Colonoscopy