Premier Internal Medicine - Medicare Primary Care in Lake Charles, LA

Premier Internal Medicine is a medicare enrolled primary clinic (Internal Medicine) in Lake Charles, Louisiana. The current practice location for Premier Internal Medicine is 4211 Lake St Ste 80, Lake Charles, Louisiana. For appointments, you can reach them via phone at (337) 448-4599. The mailing address for Premier Internal Medicine is 3801 Placid Ln, Lake Charles, Louisiana and phone number is (337) 540-5132.

Premier Internal Medicine is licensed to practice in NU (license number ). The clinic also participates in the medicare program and its NPI number is 1447116686. This medical practice accepts medicare insurance (which means this clinic accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance). However, please confirm if they accept your insurance at (337) 448-4599.

Contact Information

Premier Internal Medicine
4211 Lake St Ste 80
Lake Charles
LA 70605-5001
(337) 448-4599
Not Available

Map and Direction


Primary Care Clinic Profile

Full NamePremier Internal Medicine
SpecialityInternal Medicine
Location4211 Lake St Ste 80, Lake Charles, Louisiana
Authorized Official Name and PositionSusan Bourgeois Ieyoub (OWNER)
Authorized Official Contact3375405132
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Premier Internal Medicine
3801 Placid Ln
Lake Charles
LA 70605-6773

Ph: (337) 540-5132
Premier Internal Medicine
4211 Lake St Ste 80
Lake Charles
LA 70605-5001

Ph: (337) 448-4599

NPI Details:

NPI Number1447116686
Provider Enumeration Date12/31/2025
Last Update Date02/04/2026
Certification Date02/04/2026

Medicare PECOS Information:

Medicare PECOS PAC ID6002397452
Medicare Enrollment IDO20260224001382

Medical Identifiers

Medical identifiers for Premier Internal Medicine such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1447116686NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine (NU)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Premier Internal Medicine acts as a billing entity for following providers:
Provider NameSusan B Ieyoub
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1255404521
PECOS PAC ID: 7214069707
Enrollment ID: I20100719000886

Reviews and Comments

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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.