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LADUE INTERNAL MEDICINE, LLC
NPI 1689072324
Internal Medicine in Saint Louis, MO

Active since December 11, 2014CLIA 26D2024636 · Waiver
8857B LADUE RD, SAINT LOUIS, MO 63124(314) 682-3626(314) 590-5954 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 5, 2026, Dec 12, 2025, Feb 12, 2021 and 1 more (4 updates tracked since 2020).

About Ladue Internal Medicine, Llc NPPES

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

LADUE INTERNAL MEDICINE, LLC (NPI 1689072324) is a healthcare organization registered as an internal medicine in Saint Louis, Missouri and active in the NPI registry since December 2014. The organization holds a CLIA Waiver certificate valid through May 19, 2027 and lists Darren R. Haskell, Chief Medical Officer, as its authorized official.

NPPES Registry Identity

NPI1689072324
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameLADUE INTERNAL MEDICINE, LLC
Location Address8857B LADUE RDSaint Louis, MO 63124-2058
Mailing Address8857 Ladue Rd Ste BSaint Louis, MO 63124-2045 · (314) 682-3626 · Fax (314) 590-5954
Phone(314) 682-3626
Fax(314) 590-5954
Organization SubpartYesParent: St. Lukes Medical Group
Authorized OfficialDarren R. HaskellChief Medical Officer · (314) 205-6444
Enumeration DateDecember 11, 2014
Last NPPES UpdateMarch 5, 20264 updates tracked since enumeration
NPPES CertifiedMarch 5, 2026
✔ NPI 1689072324 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 ListedPediatricsTaxonomy 208000000X
8857B LADUE RD, Saint Louis, MO 63124
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Group Practice 2

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP
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 26D2024636

Ladue Internal Medicine · Ladue, MO
Active · expires May 19, 2027
CLIA Number26D2024636
Laboratory TypePhysician Office
Certificate Effective DateMay 20, 2025
Certificate Expiration DateMay 19, 2027
Laboratory DirectorTerri L. Carron
Laboratory Phone(314) 205-6495
Laboratory LocationLadue Internal Medicine8857 Ladue Rd, Ladue, MO 63124
CLIA data matches this NPI record on: Name
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. DELENE PRENITA MUSIELAK M.D.
Internal Medicine
8857B LADUE RD
SAINT LOUIS, MO 63124
St. Louis County (314) 682-3626
TERRI L CARRON MD
Internal Medicine
8857B LADUE RD
SAINT LOUIS, MO 63124
St. Louis County (314) 682-3626

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 Ladue Internal Medicine, LLC's NPI number?

The NPI number for Ladue Internal Medicine, LLC is 1689072324. It was assigned to this organization in the NPPES registry on December 11, 2014.

Where is Ladue Internal Medicine, LLC located?

Ladue Internal Medicine, LLC is located at 8857B Ladue Rd, Saint Louis, MO 63124. The listed phone number is (314) 682-3626.

What is Ladue Internal Medicine, LLC's specialty?

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

Does Ladue Internal Medicine, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 26D2024636) is associated with this NPI, valid through May 19, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Ladue 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 Ladue 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 Ladue Internal Medicine, 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 4 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.