Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

Obstetrical Associates of St. Luke'S, LLC

Obstetrics & Gynecology Physician in Chesterfield, MO · enumerated 2019 · authorized official Darren Haskell, Chief Medical Officer.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1447814181

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Registry record

Entity type Organization (Type 2)

Legal business name Obstetrical Associates of St. Luke'S, LLC

Parent organization St. Lukes Medical Group

Practice address 224 S Woods Mill Rd Ste 750s, Chesterfield, MO, 63017

Phone (314) 576-9797

Fax (314) 469-7517

Enumeration date Apr 29, 2019

Last updated in NPPES Mar 5, 2026

Taxonomy & classification

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Darren Haskell

Title Chief Medical Officer

Phone (314) 205-6444

Other identifiers

Identifier	Type	State	Issuer
500072353	Medicaid	MO	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is Obstetrical Associates of St. Luke'S, LLC?

Obstetrical Associates of St. Luke'S, LLC is registered in NPPES as a Obstetrics & Gynecology Physician (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-05.