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

Individual provider Family Medicine Physician · NPI 1093902462

Dr. Kassandra Sierra Martinez, 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
2007
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.

862 Ave San Patricio
San Juan, PR 00921-1308
Phone: (787) 782-7060
Fax: (787) 782-7060

No coordinates on file. Search this address in Google Maps

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 18104 (PR)

Record details

NPI number1093902462
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 1, 2007
Last updated in NPPESOctober 6, 2011

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