Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Megan Nalewaik Terrebonne, MD

Individual provider Internal Medicine Physician · NPI 1720548258

Megan Nalewaik Terrebonne, MD is a Hospitalist in Baton Rouge, Louisiana. Qualified in 2019, 7 years ago. Practices with Lsuhn Billing LLC, a 199-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
7
Licensed in
LA
In the registry since
2019
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5000 Hennessy Blvd
Baton Rouge, LA 70808-4375
Phone: (225) 765-4050
Fax: (225) 765-4046
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5246 Brittany Dr, Baton Rouge, LA 70808-9136 — (225) 757-4080

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 330849 (LA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 330849 (LA)

Record details

NPI number1720548258
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2019
Last updated in NPPESJune 25, 2025
Certification dateJune 25, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Lsuhn Billing Llc — 199 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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