CLINIC OF INTERNAL MEDICINE, LLC
NPI 1316053077
Internal Medicine in Chesterfield, MO
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
Specialties & Licenses 2
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Clinic Of Internal Medicine, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
10Medicare enrollment records show 10 clinicians reassign Medicare billing to Clinic Of Internal Medicine, LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 8 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 2
Clinicians, nearest first (10)
Chesterfield, MO 63017
Chesterfield, MO 63017
Chesterfield, MO 63017
Saint Louis, MO 63110
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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, MOFrequently 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.
Is Clinic Of Internal Medicine, LLC enrolled in Medicare?
Yes. Clinic Of Internal Medicine, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Clinic Of Internal Medicine, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 2 Medicare specialties reassign their Medicare billing to Clinic Of Internal Medicine, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Internal Medicine (5) and Nurse Practitioner (5). Of these, 3 practice at this address and 8 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Sunflower Health Plan and Ambetter of Oklahoma 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 8 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.
# Clinic Of Internal Medicine, Llc · NPI 1316053077
Internal Medicine organization in Chesterfield, Missouri. Organization record, active in the CMS NPPES registry since August 22, 2006.
## Identity
- **NPI:** 1316053077 (Entity type: Organization)
- **Enumerated:** August 22, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** Yes (part of St. Lukes Medical Group)
- **Authorized official:** Darren Haskell, CHIEF MEDICAL OFFICER
## Practice location
- **Address:** 121 SAINT LUKES CENTER DR STE 506, Chesterfield, MO 63017-3519
- **Phone:** (314) 576-8102 · **Fax:** (314) 590-5930
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 10 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (5), Nurse Practitioner (5); 3 practice at this address and 8 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 20, 2026
- **Other identifiers:** Other DD7565
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1316053077) · Data from the CMS NPPES public registry.