Internal Medicine, Gastroenterology
BELLEVUE DIAGNOSTICIANS INC.
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1902929441 · enumerated 2007-04-09 · record updated 2025-09-11. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Authorized official: Dr. ANNA NIESEN M.D., President · (314) 781-8405
Addresses and phones
- Practice location 6400 CLAYTON RD, SUITE 201, SAINT LOUIS, MO, 63117-1850 (314) 781-8405 Fax (314) 781-2462 Google Maps Apple Maps OpenStreetMap
- Mailing address 6400 CLAYTON RD, SUITE 201, SAINT LOUIS, MO, 63117-1850 (314) 781-8405 Fax (314) 781-2462 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine 207R00000X · License R8939 MO
- Internal Medicine, Gastroenterology 207RG0100X · Primary · License R8939 MO
In this directory
MO St. Louis County Saint Louis Internal Medicine, Gastroenterology
Locations and evidence
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Practice location
SAINT LOUIS, MO, 631171850
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.