Marina C. Ruiz-Montilla MD

Physician

Señorial Plaza22 Avenida Winston ChurchillSan Juan, PR 00926
Phone+1 787-400-2440
Fax+1 787-708-6528

Dr. Ruiz-Montilla is on Doximity

As a Doximity member, you’ll join more than three million U.S. healthcare professionals—including 85+% of physicians, and 2/3 of all NPs and PAs—in a private, secure network.

Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
Connect with colleagues in the same hospital or clinic.
Read the latest clinical news, personalized to your specialty.

See Dr. Ruiz-Montilla's full profile Already have an account?

Summary

Dr. Marina Ruiz-Montilla is a pediatric endocrinologist located in Guaynabo, PR. She completed her fellowship in Pediatric Endocrinology at the University of Miami/Jackson Health System from 2013 to 2016, following her pediatric residencies at Sinai Hospital of Baltimore and the University of Puerto Rico. She graduated from San Juan Bautista School of Medicine in 2008 and holds a BS in Neurobiology/pre-med from the University of Maryland, College Park. Dr. Ruiz-Montilla has been employed as a Pediatric Endocrinologist at San Jorge Children's Hospital since 2016.

Education & Training

University of Miami/Jackson Health SystemFellowship, Pediatric Endocrinology, 2013 - 2016
University of Puerto RicoResidency, Pediatrics, 2010 - 2012
Sinai Hospital of BaltimoreResidency, Pediatrics, 2008 - 2010
San Juan Bautista School of MedicineClass of 2008
University of Maryland, College ParkBS, Neurobiology/pre-med, Oustanding academic achievement, 2000 - 2004

The following disclaimer is related to board certifications obtained from ABMS®, denoted by the ABMS® logo.

This information is proprietary data maintained in a copyrighted database owned by the American Board of Medical Specialties®. The display and presence of ABMS Data in no way constitutes any affiliation, association with, or endorsement of any advertising, promotion, or sponsorship by ABMS and its affiliates and subsidiaries, the ABMS Member Boards, or ABMS board certified physicians and medical specialists. Copyright 2026 American Board of Medical Specialties®. All rights reserved.

The user is responsible for ensuring that the profile obtained in this directory is the profile of the physician or medical specialist being sought.

A self-designated specialty, subspecialty, or practice area neither implies nor is equivalent to ABMS board certification or the existence of specialized training by or competence of a physician or medical specialist.