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

Marie Barker, RN

Individual provider Family Nurse Practitioner · NPI 1750268058

Marie Barker, RN is a Nurse Practitioner in Baton Rouge, Louisiana. Qualified in 2025, 1 year ago. Practices with Ochsner Clinic LLC, a 2,842-clinician group and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
1
Licensed in
LA
In the registry since
2025
Specialties on file
2
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

17050 Medical Center Dr
Baton Rouge, LA 70816-3221
Phone: (225) 761-5200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 220956 (LA)
Oncology Registered Nurse Taxonomy 163WX0200X · Licence 220956 (LA)

Record details

NPI number1750268058
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedAugust 19, 2025
Last updated in NPPESJanuary 29, 2026
Certification dateJanuary 29, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Ochsner Clinic Llc — 2842 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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