Individual provider Active NPI

Melissa Gadsden Kaltenbach, M.D.

  • Gastroenterology Physician
  • Saint Louis, MO
National Provider Identifier
1770945206
Registry record updated Jan 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
MD466349 Issued in PA
Practice address
915 N Grand Blvd
Saint Louis, MO 63106-1621
Phone
(314) 652-4100
NPI assigned
Mar 23, 2016
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X MD466349 PA Primary

Addresses

Primary practice location

915 N Grand Blvd
Saint Louis, MO 63106-1621

Mailing address

915 N Grand Blvd
Saint Louis, MO 63106-1621
Phone (315) 256-8986

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20180924002477 PA Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 0143571505

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD466349PAMDGastroenterology Physician

NPI Registry JSON

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

{
    "created_epoch": "1458691200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768521600000",
    "number": "1770945206",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "915 N GRAND BLVD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631061621",
            "telephone_number": "315-256-8986"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "915 N GRAND BLVD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631061621",
            "telephone_number": "314-652-4100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KALTENBACH",
        "first_name": "MELISSA",
        "middle_name": "GADSDEN",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2016-03-23",
        "last_updated": "2026-01-16",
        "certification_date": "2026-01-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "PA",
            "license": "MD466349",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.