Arturo Loaiza-Bonilla,MD, MSEd, FACP


Gastroenterology Program Director, Medical Director of Clinical Research

4.5 (33 Ratings)

8 Reviews
Arturo Loaiza-Bonilla - Vice Chair, CTCA Department of Medical Oncology

Our patient-centered approach is the common vision we all share to make each and every one of our patients feel part of our family.

CTCA Philadelphia
Medical Oncology
Medical school:
Universidad Nacional de Colombia, Bogotá, Colombia
Residency, Internal Medicine - Harbor Hospital Center (MedStar Harbor Hospital), Johns Hopkins Hospital, Baltimore, MD
Internship, Internal Medicine - Harbor Hospital Center (MedStar Harbor Hospital), Johns Hopkins Hospital
Hematology and Oncology - Sylvester Comprehensive Cancer Center at University of Miami, Miller School of Medicine, Miami, FL
Advanced degrees:
Master of Science, Medical Education - University of Pennsylvania, Penn Graduate School of Education, Philadelphia 

Diplomate, American Board of Internal Medicine
Medical Oncology & Hematology - American Board of Internal Medicine

It was the compassionate, patient-centered approach to fighting cancer that attracted Dr. Arturo Loaiza-Bonilla to Cancer Treatment Centers of America® (CTCA). He joined CTCA® Philadelphia in May 2017, and is Vice Chair of the CTCA Department of Medical Oncology, CTCA Clinical Research Medical Director and CTCA Gastrointestinal Program Director. He also serves as the hospital's Chief of Medical Oncology and Medical Director of Research.

“At CTCA, our research department works closely with the pharmaceutical and diagnostic industries. This collaboration helps us deliver innovative technologies and novel treatment options to our patients,” says Dr. Loaiza-Bonilla. “Our clinical trials emphasize new targeted therapies, diagnostics, molecules and immunotherapy. Whenever possible, we incorporate these breakthroughs and technologies into treatment plans, tailored to each patient and their specific tumor type. This is personalized precision cancer treatment, the next dimension of cancer care.”

Board certified in medical oncology as well as hematology, Dr. Loaiza-Bonilla is dedicated to comprehensive care for patients suffering from gastrointestinal malignancies, such as colon, esophagus, gastric, liver, pancreas and neuroendocrine tumors.

Dr. Loaiza-Bonilla earned a medical degree from the Universidad Nacional de Colombia in Bogotá, Colombia. Following medical school, he completed an internship and residency in internal medicine at Harbor Hospital Center, Johns Hopkins Hospital in Baltimore, Maryland. Dr. Loaiza-Bonilla also completed a fellowship in hematology and oncology from the University of Miami, Miller School of Medicine in Miami, Florida.

Prior to joining CTCA, Dr. Loaiza-Bonilla was an assistant professor of clinical medicine at the Perelman School of Medicine at the University of Pennsylvania.  During this time, he completed his master’s degree in medical education at the same university.

Dr. Loaiza-Bonilla has been published in several medical journals and oncology publications. He is also a reviewer and counselor for several journals, special interest groups, panels and academic competitions. He has also served as principal investigator and co-investigator for many large oncology clinical trials. Dr. Loaiza-Bonilla has been a member and held leadership positions for several medical organizations. These include the Pennsylvania Society of Oncology and Hematology, American Society of Hematology, American Society of Clinical Oncology and American Association of Cancer Research.

In addition to his work, Dr. Loaiza-Bonilla is passionate about music. He was a tenor singing classical and baroque chorale music, including a long tenure at the Handel Choir of Baltimore. Outside CTCA, Dr. Loaiza-Bonilla enjoys golfing, skiing or reading. He and his spouse, a neurologist, enjoy time together traveling, exploring and dining. 

Patient Ratings
The patient ratings and comments on this page are obtained from an external Press Ganey® outpatient survey provided to all eligible CTCA patients within one to two weeks of their treatment occurrence. Raw data from the answers to the survey questions about our physicians are calculated by Press Ganey into a one- to five- star rating. In the spirit of transparency, all patient comments are posted as written by the patient, whether they are positive or negative. We only exclude comments if they are deemed to be slanderous or libelous, contain profanity or vulgar language, or do not relate to the patient's experience with the doctor involved including comments directed at hospital COVID-19 policies and procedures. As a result, the comments are the views and opinions of the patients surveyed and are not endorsed by, and may not necessarily reflect the opinion of, CTCA.
About our ratings
Aug 20, 2020


"My oncologist & staff explains a lot of things to me & they really show me that they care about my recovery."
Jun 17, 2020


"My oncologist *Dr. Arturo Loaiza-Bonilla is a very caring, knowledgeable, intelligent and excellent doctor."
Jun 2, 2020


"Dr. Bonilla is very kind and compassionate. He is very good at explaining things and patient in answering questions. You can tell he puts thought into treatment options that might help. He is the reason we stayed at CTCA."
Jun 2, 2020


"There were very attentive and knowledgeable."
Mar 4, 2020


"Have already recommended."
Mar 4, 2020


"Sometimes too glib and fast in & out the door."
Jan 29, 2020


"Dr. Bonilla and staff were top and personal!"
Nov 11, 2019


"Asked about life expectancy. He evaded the question."