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

Individual provider Family Medicine Physician · NPI 1912921172

Dr. Maria L. Alonso, MD is a Family Medicine Physician in San Juan, Puerto Rico. Practices as a sole proprietor. Licensed in Puerto Rico.

Licensed in
PR
In the registry since
2006
Specialties on file
2
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

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Specialties & licences

Geriatric Medicine (Family Medicine) Physician (primary) Taxonomy 207QG0300X · Licence 11128 (PR)
Family Medicine Physician Taxonomy 207Q00000X · Licence 11128 (PR)

Record details

NPI number1912921172
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 27, 2006
Last updated in NPPESDecember 19, 2016

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