DR. BRETT JOSEPH LEWIS M. D.
NPI 1205099157
Emergency Medicine in Baton Rouge, LA
About Dr. Brett Joseph Lewis M. D. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRETT JOSEPH LEWIS M. D. (NPI 1205099157) is an individual emergency medicine provider in Baton Rouge, Louisiana, licensed in Louisiana (MD.205940) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Lane Regional Medical Center, and maintains a secondary practice location in Baton Rouge.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Brett Joseph Lewis M. D. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Brett Lewis reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baton Rouge, LA 70808
- Reassigned Medicare billing, Louisiana enrollment
- 147 clinicians in this Medicare group
Zachary, LA 70791
- Reassigned Medicare billing, Louisiana enrollment
- 51 clinicians in this Medicare group
Metairie, LA 70001
- Reassigned Medicare billing, Louisiana enrollment
- 176 clinicians in this Medicare group
Alexandria, LA 71301
- Reassigned Medicare billing, Louisiana enrollment
- 178 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lane Regional Medical Center
Acute Care Hospitals · Zachary, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70808 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
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 Brett Lewis's NPI number?
The NPI number for Brett Lewis is 1205099157. It was assigned to this individual provider in the NPPES registry on July 9, 2008.
Where is Brett Lewis located?
Brett Lewis practices at 5000 Hennessy Blvd, Baton Rouge, LA 70808. The listed phone number is (225) 765-8826.
What is Brett Lewis's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Brett Lewis enrolled in Medicare?
Yes. Brett Lewis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Brett Lewis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brett Lewis reassigns Medicare benefits to 4 organizations: Professional Emergency Physician Associates, LLC (Baton Rouge, LA), East Baton Rouge Emergency Physicians Group, LLC (Zachary, LA), C & M Medical Services, Inc. (Metairie, LA) and Acs Primary Care Physicians Louisiana PC (Alexandria, LA). Each 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 Brett Lewis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Brett Lewis affiliated with any hospitals?
According to CMS data, Brett Lewis is affiliated with Lane Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Brett Lewis was last updated on January 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# Dr. Brett Joseph Lewis, M. D. · NPI 1205099157
Emergency Medicine physician in Baton Rouge, Louisiana. Individual provider, active in the CMS NPPES registry since July 9, 2008.
## Identity
- **NPI:** 1205099157 (Entity type: Individual)
- **Enumerated:** July 9, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD.205940 (Louisiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5000 HENNESSY BLVD, Baton Rouge, LA 70808-4375
- **Phone:** (225) 765-8826
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Professional Emergency Physician Associates, LLC (NPI 1992758247, Baton Rouge, LA); East Baton Rouge Emergency Physicians Group, LLC (NPI 1255894952, Zachary, LA); C & M Medical Services, Inc. (NPI 1710903059, Metairie, LA); Acs Primary Care Physicians Louisiana PC (NPI 1306889092, Alexandria, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 2008
## Record status
- **NPPES last updated:** January 6, 2021
- **Other identifiers:** Medicaid 2339265 (LA); Other P01192478 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1205099157) · Data from the CMS NPPES public registry.