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IEYOUB ENTERPRISES, LLC
NPI 1447116686
Internal Medicine in Lake Charles, LA

Active since December 31, 2025
4211 LAKE ST STE 80, LAKE CHARLES, LA 70605(337) 448-4599 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 4, 2026, Dec 31, 2025 (2 updates tracked since 2025).

About Ieyoub Enterprises, Llc NPPES

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

IEYOUB ENTERPRISES, LLC (NPI 1447116686), doing business as Premier Internal Medicine, is a healthcare organization registered as an internal medicine in Lake Charles, Louisiana and active in the NPI registry since December 2025. The organization lists Susan Bourgeois Ieyoub, Owner, as its authorized official.

NPPES Registry Identity

NPI1447116686
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameIEYOUB ENTERPRISES, LLC
Location Address4211 LAKE ST STE 80Lake Charles, LA 70605-5001
Mailing Address3801 Placid LnLake Charles, LA 70605-6773 · (337) 540-5132
Phone(337) 448-4599
Organization SubpartNo
Authorized OfficialSusan Bourgeois IeyoubOwner · (337) 540-5132
Enumeration DateDecember 31, 2025
Last NPPES UpdateFebruary 4, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 4, 2026
✔ NPI 1447116686 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.
4211 LAKE ST STE 80, Lake Charles, LA 70605
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Other Names 1

Doing Business AsPremier Internal Medicine

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 Blue Cross and Blue Shield of Louisiana, HMO Louisiana.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)

Ieyoub Enterprises, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Ieyoub Enterprises, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Susan Ieyoub, MD
Internal Medicine
NPI 1255404521
4345 NELSON RD STE 201
Lake Charles, LA 70605
(337) 494-6800
✔ PECOS✔ Accepts Medicare1.0 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Ieyoub Enterprises, LLC's NPI number?

The NPI number for Ieyoub Enterprises, LLC is 1447116686. It was assigned to this organization in the NPPES registry on December 31, 2025. The provider is doing business as Premier Internal Medicine.

Where is Ieyoub Enterprises, LLC located?

Ieyoub Enterprises, LLC is located at 4211 Lake St Ste 80, Lake Charles, LA 70605. The listed phone number is (337) 448-4599.

What is Ieyoub Enterprises, LLC's specialty?

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

Is Ieyoub Enterprises, LLC enrolled in Medicare?

Yes. Ieyoub Enterprises, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ieyoub Enterprises, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Ieyoub Enterprises, 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Ieyoub Enterprises, LLC accept?

Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list Ieyoub Enterprises, 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 Ieyoub Enterprises, LLC was last updated on February 4, 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.