Bellevue Diagnosticians Inc.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

R8939 Issued in MO

Legal business name

BELLEVUE DIAGNOSTICIANS INC.

Practice address

6400 Clayton Rd
Suite 201
Saint Louis, MO 63117-1850

Phone

(314) 781-8405

Fax

(314) 781-2462

NPI assigned

Apr 9, 2007

Last updated

Sep 11, 2025By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Dr. Anna Rose Niesen, M.D.NPI 1184709107

Title

President

Phone

(314) 781-8405

Specialties & licenses 2

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Anna Rose Niesen, MD

  • Gastroenterology Physician
  • Saint Louis, MO
  • NPI 1184709107
  Authorized official Same address or phone

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1176076800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1902929441",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6400 CLAYTON RD",
            "address_2": "SUITE 201",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631171850",
            "telephone_number": "314-781-8405",
            "fax_number": "314-781-2462"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6400 CLAYTON RD",
            "address_2": "SUITE 201",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631171850",
            "telephone_number": "314-781-8405",
            "fax_number": "314-781-2462"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "BELLEVUE DIAGNOSTICIANS INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-04-09",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "NIESEN",
        "authorized_official_first_name": "ANNA",
        "authorized_official_middle_name": "ROSE",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "314-781-8405",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "R8939",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MO",
            "license": "R8939",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Brittany Bellcase
• Bellefontaine Gardens Health Care Center LLC
• Bellefontaine Gardens Nursing & Rehab, Inc. (Bellefontaine Gardens Nursing & Rehab)
• Juliette Jene Beller, MA-CCC, SLP
• Brooke M Bellers
• Bellevue Radiology Inc
• Bellevue Surgical Associates, P. C.
• Asiah Bellinger
• Czarina Joy Bello, LPC
• Ezequiel Ramon Bellorin Font, MD

• Gastroenterology Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Gastroenterology Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.