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BELLEVUE DIAGNOSTICIANS INC.
NPI 1902929441
Internal Medicine - Gastroenterology in Saint Louis, MO

Active since April 09, 2007
6400 CLAYTON RD, SUITE 201, SAINT LOUIS, MO 63117(314) 781-8405(314) 781-2462 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Bellevue Diagnosticians Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BELLEVUE DIAGNOSTICIANS INC. (NPI 1902929441) is a healthcare organization registered as a gastroenterology in Saint Louis, Missouri and active in the NPI registry since April 2007. The organization lists Anna Rose Niesen, President, as its authorized official.

NPPES Registry Identity

NPI1902929441
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameBELLEVUE DIAGNOSTICIANS INC.
Location Address6400 CLAYTON RD, SUITE 201Saint Louis, MO 63117-1850
Mailing Address6400 Clayton Rd, Suite 201Saint Louis, MO 63117-1850 · (314) 781-8405 · Fax (314) 781-2462
Phone(314) 781-8405
Fax(314) 781-2462
Organization SubpartNo
Authorized OfficialAnna Rose NiesenPresident · (314) 781-8405
Enumeration DateApril 9, 2007
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1902929441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MO · R8939
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License R8939 (MO)

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ALLEN M JACOBS DPM
Podiatrist (Foot & Ankle Surgery)
6400 CLAYTON RD, STE 402
SAINT LOUIS, MO 63117
St. Louis County (314) 367-6545
DR. PIOTR KULIKOWSKI MD
Internal Medicine
6400 CLAYTON RD, STE 303
SAINT LOUIS, MO 63117
St. Louis County (314) 647-6666
UMAR DAUD MD
Internal Medicine (Rheumatology)
6400 CLAYTON RD, SUITE 110
SAINT LOUIS, MO 63117
St. Louis County (314) 645-4434
JIANMEI LIU M.D.
Internal Medicine
6400 CLAYTON RD, SUITE 401
SAINT LOUIS, MO 63117
St. Louis County (314) 644-6500
DR. EDWARD W. HEIDBRIER MD PC
Internal Medicine (Geriatric Medicine)
6400 CLAYTON RD, STE 107
SAINT LOUIS, MO 63117
St. Louis County (314) 645-2810
JOEL RILEY M.D.
Internal Medicine (Gastroenterology)
6400 CLAYTON RD, SUITE 216
SAINT LOUIS, MO 63117
St. Louis County (314) 951-5368
CLAYTON SLEEP INSTITUTE, LLC
Clinic/Center
6400 CLAYTON RD, STE 303
SAINT LOUIS, MO 63117
St. Louis County (314) 645-5855
AHMAD CARDIOLOGY INC
Internal Medicine (Cardiovascular Disease)
6400 CLAYTON RD, SUITE 316
RICHMOND HEIGHTS, MO 63117
St. Louis County (314) 644-2333

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Bellevue Diagnosticians Inc.'s NPI number?

The NPI number for Bellevue Diagnosticians Inc. is 1902929441. It was assigned to this organization in the NPPES registry on April 9, 2007.

Where is Bellevue Diagnosticians Inc. located?

Bellevue Diagnosticians Inc. is located at 6400 Clayton Rd Suite 201, Saint Louis, MO 63117. The listed phone number is (314) 781-8405.

What is Bellevue Diagnosticians Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Bellevue Diagnosticians Inc. was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.