NPIMap

Organization Active NPI

Obstetrical Associates of St. Luke's, LLC

  • Obstetrics & Gynecology Physician
  • Chesterfield, MO
National Provider Identifier
1447814181
Registry record updated Mar 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
Legal business name
OBSTETRICAL ASSOCIATES OF ST. LUKE'S, LLC
Practice address
224 S Woods Mill Rd Ste 750S
Chesterfield, MO 63017-3623
Phone
(314) 576-9797
Fax
(314) 469-7517
NPI assigned
Apr 29, 2019
Last updated
Mar 5, 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 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.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 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X NU Primary

Addresses

Primary practice location

224 S Woods Mill Rd Ste 750S
Chesterfield, MO 63017-3623

Mailing address

232 S Woods Mill Rd
Chesterfield, MO 63017-3406
Phone (314) 576-2490

Other practice location 1

226 S Woods Mill Rd Ste 55W
Chesterfield, MO 63017-3664
Phone (314) 576-9797

Other practice location 2

103 Hilltop Village Shopping Center
Eureka, MO 63025
Phone (314) 576-9797

Other practice location 3

5551 Winghaven Blvd Ste 170
O Fallon, MO 63368-3630
Phone (314) 576-9797

Other identifiers 1

IdentifierTypeStateIssuer
500072353MedicaidMO

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20190621001756 MO Part B Supplier - Clinic/Group Practice 4688908890 Receives reassigned benefits from 8 practitioners
Practice locations: Chesterfield, MO; O Fallon, MO; Eureka, 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
26D2168511Obstetrical Associates of St Luke's, LLC224 S Woods Mill Rd, 750S, Chesterfield, MO 63017Certificate of waiverJul 1, 2027

National Provider Directory

National Provider Directory
Part of
St Lukes Medical Group

Locations

1780 Old Highway 50 E
Ste 101
Union, MO 63084
Phone (314) 576-9797

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 11

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.

NPI Registry JSON

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

{
    "created_epoch": "1556496000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772668800000",
    "number": "1447814181",
    "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": "314-576-2490"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "224 S WOODS MILL RD STE 750S",
            "city": "CHESTERFIELD",
            "state": "MO",
            "postal_code": "630173623",
            "telephone_number": "314-576-9797",
            "fax_number": "314-469-7517"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "226 S Woods Mill Rd Ste 55W",
            "address_purpose": "LOCATION",
            "city": "Chesterfield",
            "state": "MO",
            "postal_code": "630173664",
            "country_code": "US",
            "telephone_number": "314-576-9797",
            "fax_number": "314-590-5968",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "103 Hilltop Village Shopping Center",
            "address_purpose": "LOCATION",
            "city": "Eureka",
            "state": "MO",
            "postal_code": "63025",
            "country_code": "US",
            "telephone_number": "314-576-9797",
            "fax_number": "314-469-7517",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5551 Winghaven Blvd Ste 170",
            "address_purpose": "LOCATION",
            "city": "O Fallon",
            "state": "MO",
            "postal_code": "633683630",
            "country_code": "US",
            "telephone_number": "314-576-9797",
            "fax_number": "314-469-7517",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "OBSTETRICAL ASSOCIATES OF ST. LUKE'S, LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "ST. LUKES MEDICAL GROUP",
        "enumeration_date": "2019-04-29",
        "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": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500072353",
            "state": "MO"
        }
    ],
    "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 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.