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

Dr. Marcos A Parrilla Rios, MD

Individual provider Specialist · NPI 1336125301

Dr. Marcos A Parrilla Rios, MD is an Internal Medicine in San Lorenzo, Puerto Rico. Graduated from University Central Del Caribe Escuela De Medicina in 1993, 33 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Puerto Rico.

Years since qualifying
33
Trained at
University Central Del Caribe Escuela De Medicina
Licensed in
PR
In the registry since
2005
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.

Calle Jose Tous Soto 108
San Lorenzo, PR 00754
Phone: (787) 736-0252
Fax: (787) 736-5545

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 12258 (PR)

Record details

NPI number1336125301
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 21, 2005
Last updated in NPPESMarch 7, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY CENTRAL DEL CARIBE ESCUELA DE MEDICINA
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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