William Omar Marrero Ortiz MD MD

Internal Medicine•San Juan, PR

Geriatric Medicine

Internal Medicine Resident, PGY-3

Join to View Full Profile

735 Ave Ponce de Leon Ste 415San Juan, PR 00917
Phone+1 787-768-9813

Dr. Marrero Ortiz is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals 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. Marrero Ortiz's Full Profile Already have an account?

Education & Training

University of Puerto RicoMD, 2015 - 2019
University of Puerto Rico School of MedicineClass of 2019
University of Puerto RicoBS, Chemistry, 2010 - 2015

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 2025 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.