Organization Active NPI

Ladue Internal Medicine, LLC

  • Internal Medicine Physician
  • Saint Louis, MO
National Provider Identifier
1689072324
Registry record updated Mar 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Legal business name
LADUE INTERNAL MEDICINE, LLC
Practice address
8857B Ladue Rd
Saint Louis, MO 63124-2058
Phone
(314) 682-3626
Fax
(314) 590-5954
NPI assigned
Dec 11, 2014
Organization subpart
Yes
Parent organization
ST. LUKES MEDICAL GROUPAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Mar 5, 2026

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

Authorized official

Name
Darren R. Haskell, MD.
Title
Chief Medical Officer
Phone
(314) 205-6444

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207R00000X Primary
Pediatrics PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 208000000X

Addresses

Primary practice location

8857B Ladue Rd
Saint Louis, MO 63124-2058

Mailing address

8857 Ladue Rd Ste B
Saint Louis, MO 63124-2045
Phone (314) 682-3626

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20150218000985 MO Part B Supplier - Clinic/Group Practice 3870818784 Receives reassigned benefits from 6 practitioners
Practice locations: Saint Louis, MO

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
26D2024636Ladue Internal Medicine8857 Ladue Rd, Ladue, MO 63124Certificate of waiverMay 19, 2027

National Provider Directory

National Provider Directory
Part of
St Lukes Medical Group

Locations

8857B Ladue Rd
Saint Louis, MO 63124
Phone (314) 682-3626

8857 Ladue Rd
#A
Saint Louis, MO 63124
Phone (314) 576-8189

Ownership & related parties

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

Practitioners & affiliated clinicians

Practitioners 6

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1418256000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772668800000",
    "number": "1689072324",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8857 LADUE RD STE B",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631242045",
            "telephone_number": "314-682-3626",
            "fax_number": "314-590-5954"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8857B LADUE RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631242058",
            "telephone_number": "314-682-3626",
            "fax_number": "314-590-5954"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LADUE INTERNAL MEDICINE, LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "ST. LUKES MEDICAL GROUP",
        "enumeration_date": "2014-12-11",
        "last_updated": "2026-03-05",
        "certification_date": "2026-03-05",
        "status": "A",
        "authorized_official_last_name": "HASKELL",
        "authorized_official_first_name": "DARREN",
        "authorized_official_middle_name": "R.",
        "authorized_official_title_or_position": "CHIEF MEDICAL OFFICER",
        "authorized_official_telephone_number": "314-205-6444",
        "authorized_official_credential": "MD."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Pediatrics",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.