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

Dr. Margarita S Martino Villanueva, MD

Individual provider Emergency Medicine Physician · NPI 1801852868

Dr. Margarita S Martino Villanueva, MD is an Emergency Medicine in San Juan, Puerto Rico. Graduated from University of Puerto Rico School of Medicine in 2001, 25 years ago. Practices with Paragon Emergency Services LLC, a 406-clinician group and accepts Medicare assignment. Licensed in Puerto Rico.

Years since qualifying
25
Trained at
University of Puerto Rico School of Medicine
Licensed in
PR
In the registry since
2006
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.

400 Cordoba Park/bo Tortugo St Apt 96
San Juan, PR 00926-9769
Phone: (787) 708-3802

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 15955 (PR)

Record details

NPI number1801852868
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 26, 2006
Last updated in NPPESFebruary 16, 2026
Certification dateFebruary 16, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF PUERTO RICO SCHOOL OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Paragon Emergency Services Llc — 406 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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