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

Dr. Maria Margarita Diaz Fernandez, MD

Individual provider General Practice Physician · NPI 1437274313

Dr. Maria Margarita Diaz Fernandez, MD is a General Practice Physician in San Juan, Puerto Rico. Practices as a sole proprietor. Licensed in Puerto Rico.

Licensed in
PR
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address may be wrong

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

151 Calle Cesar Gonzalez Plaza Antillana Apt 4902
San Juan, PR 00918-1463
Phone: (787) 316-3673

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence 6817 (PR)

Record details

NPI number1437274313
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 20, 2007
Last updated in NPPESJuly 8, 2007

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