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

Dr. Kathleen Nieves Mas, MD

Individual provider Physician Assistant · NPI 1366195216

Dr. Kathleen Nieves Mas, MD is a Physician Assistant in San Juan, Puerto Rico. Practices as a sole proprietor. Licensed in Puerto Rico.

Licensed in
PR
In the registry since
2022
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.

1451 Ave Dr Ashford Condado
San Juan, PR 00907
Phone: (787) 721-2160

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 1584-P.A. (PR)

Record details

NPI number1366195216
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 1, 2022
Last updated in NPPESMarch 11, 2025
Certification dateMarch 11, 2025

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