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

Rosa Maria Marrero Fernandez, MD

Individual provider Hospitalist Physician · NPI 1811385511

Rosa Maria Marrero Fernandez, MD is a Hospitalist Physician in San Juan, Puerto Rico. Licensed in Puerto Rico. Registered with an NPI since 2015.

Licensed in
PR
In the registry since
2015
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

10 Calle Casia
San Juan, PR 00921-3200
Phone: (787) 641-7582

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 21884 (PR)
Internal Medicine Physician Taxonomy 207R00000X · Licence 34474 (PR)
Internal Medicine Physician Taxonomy 207R00000X · Licence 21884 (PR)

Record details

NPI number1811385511
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 3, 2015
Last updated in NPPESJanuary 18, 2022
Certification dateJanuary 18, 2022

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