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CLINIC OF INTERNAL MEDICINE, LLC
NPI 1316053077
Internal Medicine in Chesterfield, MO

Active since August 22, 2006CLIA 26D0439032 · Waiver
121 SAINT LUKES CENTER DR STE 506, CHESTERFIELD, MO 63017(314) 576-8102(314) 590-5930 Get Directions Write a Review

NPPES record last updated: February 20, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 12, 2025, Jul 23, 2021, Dec 4, 2020 (3 updates tracked since 2020).

About Clinic Of Internal Medicine, Llc NPPES

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

CLINIC OF INTERNAL MEDICINE, LLC (NPI 1316053077) 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 May 9, 2028 and lists Darren R. Haskell, Chief Medical Officer, as its authorized official.

NPPES Registry Identity

NPI1316053077
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCLINIC OF INTERNAL MEDICINE, LLC
Location Address121 SAINT LUKES CENTER DR STE 506Chesterfield, MO 63017-3519
Mailing Address232 S Woods Mill RdChesterfield, MO 63017-3406 · (636) 685-7804 · Fax (314) 576-2473
Phone(314) 576-8102
Fax(314) 590-5930
Organization SubpartYesParent: St. Lukes Medical Group
Authorized OfficialDarren R. HaskellChief Medical Officer · (314) 205-6444
Enumeration DateAugust 22, 2006
Last NPPES UpdateFebruary 20, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 20, 2026
✔ NPI 1316053077 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X
121 SAINT LUKES CENTER DR STE 506, Chesterfield, MO 63017
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Other Identifiers 1

OtherDD7565Railroad Medicare

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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 26D0439032

Clinic-Internal Medicine, LLC · Chesterfield, MO
Active · expires May 9, 2028
CLIA Number26D0439032
Laboratory TypePhysician Office
Certificate Effective DateMay 10, 2026
Certificate Expiration DateMay 9, 2028
Laboratory DirectorRanda Sawaf
Laboratory Phone(314) 576-8102
Laboratory LocationClinic-Internal Medicine, LLC121 St Luke's Center Drive, Suite 506, Chesterfield, MO 63017
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

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

DR. RAND W SOMMER M.D.
Internal Medicine
121 SAINT LUKES CENTER DR STE 506
CHESTERFIELD, MO 63017
St. Louis County (314) 576-8102

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 Clinic Of Internal Medicine, LLC's NPI number?

The NPI number for Clinic Of Internal Medicine, LLC is 1316053077. It was assigned to this organization in the NPPES registry on August 22, 2006.

Where is Clinic Of Internal Medicine, LLC located?

Clinic Of Internal Medicine, LLC is located at 121 Saint Lukes Center Dr Ste 506, Chesterfield, MO 63017. The listed phone number is (314) 576-8102.

What is Clinic Of Internal Medicine, LLC's specialty?

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

Does Clinic Of Internal Medicine, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 26D0439032) is associated with this NPI, valid through May 9, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Clinic Of Internal Medicine, 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 Clinic Of Internal Medicine, 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 Clinic Of Internal Medicine, LLC was last updated on February 20, 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.