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INTERNAL MEDICINE OF ST. LUKE'S, LLC
NPI 1316189194
Internal Medicine in Chesterfield, MO

Active since March 25, 2009CLIA 26D2002666 · Waiver
121 SAINT LUKES CENTER DR STE 504, CHESTERFIELD, MO 63017(314) 205-6399(314) 590-5909 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, Dec 6, 2021 and 2 more (5 updates tracked since 2017).

About Internal Medicine Of St. Luke's, Llc NPPES

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

INTERNAL MEDICINE OF ST. LUKE'S, LLC (NPI 1316189194) is a healthcare organization registered as an internal medicine in Chesterfield, Missouri and active in the NPI registry since March 2009. The organization holds a CLIA Waiver certificate valid through January 21, 2028, maintains a secondary practice location in Chesterfield, and lists Darren R. Haskell, Chief Medical Officer, as its authorized official.

NPPES Registry Identity

NPI1316189194
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameINTERNAL MEDICINE OF ST. LUKE'S, LLC
Location Address121 SAINT LUKES CENTER DR STE 504Chesterfield, MO 63017-3519
Mailing Address121 Saint Lukes Center DrChesterfield, MO 63017-3518 · (636) 685-7804 · Fax (314) 576-2344
Phone(314) 205-6399
Fax(314) 590-5909
Organization SubpartYesParent: St. Lukes Medical Group
Authorized OfficialDarren R. HaskellChief Medical Officer · (314) 205-6444
Enumeration DateMarch 25, 2009
Last NPPES UpdateMarch 5, 20265 updates tracked since enumeration
NPPES CertifiedMarch 5, 2026
✔ NPI 1316189194 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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 504, Chesterfield, MO 63017
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Secondary Practice Location 1

Location 1222 S Woods Mill Rd Ste 400NChesterfield, MO 63017-3610 · Phone (314) 864-8790 · Fax (314) 590-5421

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 2

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 26D2002666

Internal Medicine Of St Luke's LLC · Chesterfield, MO
Active · expires Jan 21, 2028
CLIA Number26D2002666
Laboratory TypePhysician Office
Certificate Effective DateJanuary 22, 2026
Certificate Expiration DateJanuary 21, 2028
Laboratory DirectorAnnu Terkonda
Laboratory Phone(314) 205-6399
Laboratory LocationInternal Medicine Of St Luke's LLC121 St Luke's Center Dr Suite 504-A, Chesterfield, MO 63017
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 26D2308408

Internal Medicine Of St Luke's, LLC - Dr Diane Hood · Chesterfield, MO
Expired · Jul 26, 2026
CLIA Number26D2308408
Laboratory TypePhysician Office
Certificate Effective DateJuly 27, 2024
Certificate Expiration DateJuly 26, 2026
Laboratory DirectorDiane Hood
Laboratory Phone(314) 864-8790
Laboratory LocationInternal Medicine Of St Luke's, LLC - Dr Diane Hood222 S Woods Mill Rd Ste 400 North, 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.

THE OSTEOPOROSIS CENTER AT ST. LUKE'S HOSPITAL, LLC
Internal Medicine (Endocrinology, Diabetes & Metabolism)
121 SAINT LUKES CENTER DR STE 504
CHESTERFIELD, MO 63017
St. Louis County (314) 205-6633
JAMIE JOY AGPCNP-BC
Nurse Practitioner (Adult Health)
121 SAINT LUKES CENTER DR STE 504
CHESTERFIELD, MO 63017
St. Louis County (314) 205-6399

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 Internal Medicine Of St. Luke's, LLC's NPI number?

The NPI number for Internal Medicine Of St. Luke's, LLC is 1316189194. It was assigned to this organization in the NPPES registry on March 25, 2009.

Where is Internal Medicine Of St. Luke's, LLC located?

Internal Medicine Of St. Luke's, LLC is located at 121 Saint Lukes Center Dr Ste 504, Chesterfield, MO 63017. The listed phone number is (314) 205-6399.

What is Internal Medicine Of St. Luke's, LLC's specialty?

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

Does Internal Medicine Of St. Luke's, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 26D2002666) is associated with this NPI, valid through January 21, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Internal Medicine Of St. Luke's, 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 Internal Medicine Of St. Luke's, 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 Internal Medicine Of St. Luke's, 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.