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

Marissa Diaz, PA

Individual provider Physician Assistant · NPI 1518346394

Marissa Diaz, PA is a Physician Assistant in Raceland, Louisiana. Qualified in 2015, 11 years ago. Practices with Ochsner Clinic LLC, a 2,842-clinician group and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
11
Licensed in
LA
In the registry since
2015
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

141 Twin Oaks Dr
Raceland, LA 70394-2761
Phone: (985) 537-2666
Fax: (985) 537-1986
Show map & directions

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 200840 (LA)

Record details

NPI number1518346394
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorYes
NPI enumeratedMay 26, 2015
Last updated in NPPESAugust 6, 2026
Certification dateAugust 6, 2026

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Ochsner Clinic Llc — 2842 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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