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CONWAY INTERNISTS, LLC
NPI 1992816391
Internal Medicine in Chesterfield, MO

Active since August 31, 2006CLIA 26D0864389 · Waiver
121 SAINT LUKES CENTER DR STE 402, CHESTERFIELD, MO 63017(314) 205-6160(314) 590-5918 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 5, 2026, Dec 12, 2025, Apr 6, 2021 (3 updates tracked since 2021).

About Conway Internists, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CONWAY INTERNISTS, LLC (NPI 1992816391) is a healthcare organization registered as an internal medicine in Chesterfield, Missouri and active in the NPI registry since August 2006. The organization holds a CLIA Waiver certificate valid through February 26, 2027 and lists Darren R. Haskell, Chief Medical Officer, as its authorized official.

NPPES Registry Identity

NPI1992816391
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCONWAY INTERNISTS, LLC
Location Address121 SAINT LUKES CENTER DR STE 402Chesterfield, MO 63017-3519
Mailing Address232 S Woods Mill RdChesterfield, MO 63017-3406 · (636) 685-7804 · Fax (314) 576-2344
Phone(314) 205-6160
Fax(314) 590-5918
Organization SubpartYesParent: St. Luke's Medical Group
Authorized OfficialDarren R. HaskellChief Medical Officer · (314) 205-6444
Enumeration DateAugust 31, 2006
Last NPPES UpdateMarch 5, 20263 updates tracked since enumeration
NPPES CertifiedMarch 5, 2026
✔ NPI 1992816391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · 108578
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
121 SAINT LUKES CENTER DR STE 402, Chesterfield, MO 63017
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Other Identifiers 1

OtherCJ3880MO · Rr Medicare

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 26D0864389

Conway Internist · Chesterfield, MO
Active · expires Feb 26, 2027
CLIA Number26D0864389
Laboratory TypePhysician Office
Certificate Effective DateFebruary 27, 2025
Certificate Expiration DateFebruary 26, 2027
Laboratory DirectorDaniel J. Marion
Laboratory Phone(314) 205-6160
Laboratory LocationConway Internist121 St Luke's Center Dr Suite 402, Chesterfield, MO 63017
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KEVIN L. THRELKELD M.D.
Internal Medicine
121 SAINT LUKES CENTER DR STE 402
CHESTERFIELD, MO 63017
St. Louis County (314) 205-6160
ABBY LINK PA-C
Physician Assistant
121 SAINT LUKES CENTER DR STE 402
CHESTERFIELD, MO 63017
St. Louis County (314) 205-6160

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Conway Internists, LLC's NPI number?

The NPI number for Conway Internists, LLC is 1992816391. It was assigned to this organization in the NPPES registry on August 31, 2006.

Where is Conway Internists, LLC located?

Conway Internists, LLC is located at 121 Saint Lukes Center Dr Ste 402, Chesterfield, MO 63017. The listed phone number is (314) 205-6160.

What is Conway Internists, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Conway Internists, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 26D0864389) is associated with this NPI, valid through February 26, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Conway Internists, LLC accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 3 other insurers list Conway Internists, LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Conway Internists, LLC was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.