NPIMap

Organization Active NPI

Clinic of Internal Medicine, LLC

  • Internal Medicine Physician
  • Chesterfield, MO
National Provider Identifier
1316053077
Registry record updated Feb 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Legal business name
CLINIC OF INTERNAL MEDICINE, LLC
Practice address
121 Saint Lukes Center Dr Ste 506
Chesterfield, MO 63017-3519
Phone
(314) 576-8102
Fax
(314) 590-5930
NPI assigned
Aug 22, 2006
Last updated
Feb 20, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
ST. LUKES MEDICAL GROUPAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Feb 20, 2026

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

Authorized official

Name
Darren R. Haskell, M.D.NPI 1689636813
Title
Chief Medical Officer
Phone
(314) 205-6444

Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X Primary
Rheumatology Physician 207RR0500X

Addresses

Primary practice location

121 Saint Lukes Center Dr Ste 506
Chesterfield, MO 63017-3519

Mailing address

232 S Woods Mill Rd
Chesterfield, MO 63017-3406
Phone (636) 685-7804

Other identifiers 1

IdentifierTypeStateIssuer
DD7565OtherRAILROAD MEDICARE

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20050920000878 MO Part B Supplier - Clinic/Group Practice 6305870361 Receives reassigned benefits from 10 practitioners
Practice locations: Chesterfield, MO

National Provider Directory

National Provider Directory
Part of
St Lukes Medical Group

Member of 1

Organizations this organization is a member of, according to the National Provider Directory.

Locations

222 S Woods Mill Rd
Ste 450
Chesterfield, MO 63017
Phone (314) 205-2733

1034 S Brentwood Blvd
Ste 1060
Saint Louis, MO 63117
Phone (314) 721-0666

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 13

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.

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1156204800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771545600000",
    "number": "1316053077",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "232 S WOODS MILL RD",
            "city": "CHESTERFIELD",
            "state": "MO",
            "postal_code": "630173406",
            "telephone_number": "636-685-7804",
            "fax_number": "314-576-2473"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "121 SAINT LUKES CENTER DR STE 506",
            "city": "CHESTERFIELD",
            "state": "MO",
            "postal_code": "630173519",
            "telephone_number": "314-576-8102",
            "fax_number": "314-590-5930"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CLINIC OF INTERNAL MEDICINE, LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "ST. LUKES MEDICAL GROUP",
        "enumeration_date": "2006-08-22",
        "last_updated": "2026-02-20",
        "certification_date": "2026-02-20",
        "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": "M.D."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "DD7565",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Chesterfield, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.