MEGAN NALEWAIK TERREBONNE MD
NPI 1720548258
Hospitalist in Baton Rouge, LA
About Megan Nalewaik Terrebonne Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEGAN NALEWAIK TERREBONNE MD (NPI 1720548258) is an individual hospitalist provider in Baton Rouge, Louisiana, licensed in Louisiana (330849) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Our Lady Of The Lake Regional Medical Center, and maintains a secondary practice location in Baton Rouge.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
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
Megan Nalewaik Terrebonne Md 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
2Medicare enrollment records show Megan Terrebonne reassigns Medicare billing to 2 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
- 548 clinicians in this Medicare group
Baton Rouge, LA 70808
- Reassigned Medicare billing, Louisiana enrollment
- 873 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.
Our Lady Of The Lake Regional Medical Center
Acute Care Hospitals · Baton Rouge, 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.
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 Megan Terrebonne's NPI number?
The NPI number for Megan Terrebonne is 1720548258. It was assigned to this individual provider in the NPPES registry on March 21, 2019.
Where is Megan Terrebonne located?
Megan Terrebonne practices at 5000 Hennessy Blvd, Baton Rouge, LA 70808. The listed phone number is (225) 765-4050.
What is Megan Terrebonne's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Megan Terrebonne enrolled in Medicare?
Yes. Megan Terrebonne 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 Megan Terrebonne's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Megan Terrebonne reassigns Medicare benefits to 2 organizations: Lsuhn Billing LLC (Baton Rouge, LA) and Our Lady Of The Lake Physician Group LLC (Baton Rouge, 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 Megan Terrebonne's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Megan Terrebonne accept?
Health plans from HMO Louisiana list Megan Terrebonne 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.
Is Megan Terrebonne affiliated with any hospitals?
According to CMS data, Megan Terrebonne is affiliated with Our Lady Of The Lake Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Megan Terrebonne was last updated on June 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Megan Nalewaik Terrebonne, MD · NPI 1720548258
Hospitalist physician in Baton Rouge, Louisiana. Individual provider, active in the CMS NPPES registry since March 21, 2019.
## Identity
- **NPI:** 1720548258 (Entity type: Individual)
- **Enumerated:** March 21, 2019
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 330849 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 5000 HENNESSY BLVD, Baton Rouge, LA 70808-4375
- **Phone:** (225) 765-4050 · **Fax:** (225) 765-4046
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Lsuhn Billing LLC (NPI 1306247556, Baton Rouge, LA); Our Lady Of The Lake Physician Group LLC (NPI 1033494943, Baton Rouge, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** June 25, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1720548258) · Data from the CMS NPPES public registry.