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

Mariana Marrero Castillo, MD

Individual provider Internal Medicine Physician · NPI 1366894859

Mariana Marrero Castillo, MD is an Internal Medicine in Shreveport, Louisiana. Qualified in 2010, 16 years ago. Practices with LSU Health Sciences Center Shreveport Faculty Group Practice, a 569-clinician group and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
16
Licensed in
LA
In the registry since
2016
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

1541 Kings Hwy
Shreveport, LA 71103-4228
Phone: (318) 626-0000
Fax: (318) 629-4833
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 328295 (LA)

Record details

NPI number1366894859
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 7, 2016
Last updated in NPPESDecember 28, 2022
Certification dateDecember 28, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Lsu Health Sciences Center Shreveport Faculty Group Practice — 569 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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