Our Radiologists

Medical Degree: Southwestern Medical School at Dallas, TX

Residency: Diagnostic Radiology, Parkland Memorial Hospital in Dallas, TX

Bio: Dr. Bazan previously served as the managing partner for Radiology Associates of New Braunfels. Currently, he is the leading expert in lung cancer screening for River City Imaging Associates.

Board Certification: Diagnostic Radiology

Vice President of River City Imaging Associates

Medical Degree: Medical University of South Carolina in Charleston, SC

Residency: Diagnostic Radiology, St. Lukes/Roosevelt Hospital Center in New York, NY

Fellowship: Cardiovascular and Interventional Radiology, New York Presbyterian–Weill Cornell College of Medicine and Memorial Sloan-Kettering Hospital in New York, NY

Board Certification: Diagnostic Radiology with a Certificate of Added Qualification (CAQ) in Vascular and Interventional Radiology

President & CEO of River City Imaging Associates

Medical Degree / PhD: Neurosciences, UT Medical Branch at Galveston, TX

Residency: Diagnostic Radiology, UTMB at Galveston, TX

Fellowship: Neuroradiology, University of Wisconsin, Madison, WI

Bio: Dr. Chen is a Founding Member of RCIA

Board Certification: Diagnostic Radiology

Medical Degree: University of Kansas School of Medicine, Wichita, KS

Residency: Diagnostic Radiology, University of Kansas School of Medicine, Wichita, KS

Fellowship: Body Imaging, Baylor University Medical Center in Dallas, TX

Board Certification: Diagnostic Radiology

Medical Degree: Texas A&M Health Science Center College in College Station, TX

Residency: Diagnostic Radiology, Baylor University Medical Center in Dallas, TX

Fellowship: Nuclear Radiology, Baylor University Medical Center in Dallas, TX

Board Certification: Diagnostic Radiology with Certificate of Added Qualification (CAQ) in Nuclear Medicine

Bio: Chief Resident, Baylor University Medical Center in Dallas, TX 2008-2009

Chairperson of the Board of River City Imaging Associates

Medical School: University of Puerto Rico School of Medicine in Rio Piedras, Puerto Rico

Residency: Pediatrics and Diagnostic Radiology, Tulane University Medical Center in New Orleans, LA

Fellowship: Pediatric Radiology, Tulane University Medical Center in New Orleans, LA and Pediatric Radiology, Children’s National Medical Center in Washington, DC

Board Certification: Diagnostic Radiology with a Certificate of Added Qualification (CAQ) in Pediatric Radiology.

Bio: Dr. Mercado was a pediatric radiology faculty member at the UT Health Science in Houston, TX from 2000-2005. Past Chair of the Section on Radiology at the American Academy of Pediatrics, and has recently been appointed as faculty at Baylor College of Medicine/Texas Children’s Hospital. Dr. Mercado is also a Founding Member of RCIA.

Medical Degree: Ross University School of Medicine in Iselin, NJ

Residency: Diagnostic Radiology, The Bronx-Lebanon Hospital a teaching affiliate of the Albert Einstein College of Medicine, Bronx, NY

Fellowship: Musculoskeletal Radiology, University of Maryland School of Medicine in Baltimore, MD

Board Certification: Diagnostic Radiology

Medical Degree: Uniformed Services University of the Health Sciences, Bethesda, MD

Residency: Diagnostic Radiology, Wilford Hall USAF Medical Center, Lackland AFB, TX

Bio: Dr. Osborne previously served as the managing partner for Radiology Associates of New Braunfels. Currently, he is a staff radiologist performing the vast majority of his work in mammography screening for River City Imaging Associates.

Board Certification: Diagnostic Radiology

Director of River City Imaging Associates

Medical Degree: Albert Einstein College of Medicine, Bronx, NY

Internship: Flushing Hospital Medical Center, Flushing, NY

Residency: Pediatric Radiology, Beth Israel Medical Center, Manhattan, NY

Fellowship: Cincinnati Children’s Hospital Medical Center, Cincinnati, OH

Board Certified: Diagnostic Radiology, Subspecialty in Pediatrics Radiology

Bio: Dr. Ortiz-Romero previously served as a resident in pediatric radiology at Cincinnati Children’s Hospital Medical Center in Cincinnati, OH.

Director of River City Imaging Associates

MBBS Degree: Patil Medical College, Bijapur, India

Residency: Internal Medicine, University of Illinois College of Medicine, Urbana-Champaign, IL

Residency: Diagnostic Radiology, UTMB at Galveston

Fellowship: Interventional Radiology, Mallinckrodt Institute of Radiology, Washington University in St. Louis, MO

Board Certification: Diagnostic Radiology, Vascular and Interventional Radiology

Bio: Dr. Reddy is a Founding Member of RCIA.

Medical School: University of Tennessee Health Science Center College of Medicine

Residency: Baylor College of Medicine

Fellowship: University of Texas Southwestern Medical Center

Board Certification: Diagnostic Radiology, Vascular and Interventional Radiology

Medical Degree: Johns Hopkins University, School of Medicine

Internship: Internal Medicine, Greater Baltimore Medical Center in Baltimore, MD

Residency: Diagnostic Radiology, Johns Hopkins Hospital in Baltimore, MD

Fellowship: Pediatric Radiology, Johns Hopkins Hospital in Baltimore, MD

Fellowship: Neuroradiology, Johns Hopkins Hospital in Baltimore, MD

Board Certification: Diagnostic Radiology with a Certificate of Added Qualification (CAQ) in Pediatric Radiology and Neuroradiology.

Director of River City Imaging Associates

Medical School: Texas Tech University School of Medicine

Residency: University of Texas Southwestern Medical Center

Fellowship: University of Texas Southwestern Medical Center

Board Certification: Diagnostic Radiology with a Certificate of Added Qualification (CAQ) in Neuroradiology.

Medical Degree: University of Texas Southwestern Medical Center

Residency: Diagnostic Radiology, Baylor University Medical Center in Dallas, TX

Internship: Baylor University Medical Center in Dallas, TX

Fellowship: Body MRI/Musculoskeletal Imaging, Baylor University Medical Center in Dallas, TX

Board Certified: Diagnostic Radiology

Medical Degree: Doctor of Osteopathic Medicine, Philadelphia College of Osteopathic Medicine in Philadelphia, PA

Transitional Internship: San Antonio Uniformed Services Health Education Consortium, Lackland Air Force Base in San Antonio, TX

Residency: Diagnostic Radiology, San Antonio Uniformed Services Health Education Consortium, Lackland Air Force Base in San Antonio, TX

Fellowship: Pediatric Radiology, Cincinnati Children’s Hospital Medical Center in Cincinnati, OH

Board Certification: Diagnostic Radiology with a Certificate of Added Qualification (CAQ) in Pediatric Radiology.

Bio: Dr. Zarka is an Assistant Professor of Radiology at Baylor College of Medicine. He performs all aspects of general pediatric radiology with a focus on pediatric musculoskeletal, body, and tumor imaging. His clinical and research interests also include the radiologic assessment of child abuse. Dr. Zarka joined the group full-time in 2018 after retiring from a 25-year military career in the U.S. Air Force.

Bachelor of Science:  Physician Assistant Studies, University of Texas Medical Branch at Galveston, Texas

Bio: Darryl was a Biology major at the University of Houston prior to attending UTMB. Darryl is board certified by the National Commission of the American Academy of Physician Assistants.