IndividualActive
Anna Niesen, MD
NPI 1184709107 · Gastroenterology Physician · St Louis, MO
Provider details
- NPI number
- 1184709107
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- R8939 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Practice location
6400 Clayton Road
Ste 201
St Louis, MO 63117
Phone: (314) 781-8405
Fax: (314) 781-2462
Approximate (ZIP-level) locationGet directions
Mailing address
6400 Clayton Road
St Louis, MO 63117
Registry dates
- Enumerated
- 2006-10-26
- Last updated
- 2025-09-11
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.