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Aziz Ahmad,

M.D.

Surgical Oncologist

5 (111 Ratings)
Biography photo
Location
City of Hope Glendora
412 West Carroll Avenue, Suite 200
Glendora, CA 91741
Specialties
Colon and Rectal Surgery
Surgical Oncology
Education
Medical school:

2000, Doctor of Medicine, The Chicago Medical School, North Chicago, IL

Residency:
  • 2004–2005, Chief Resident, Department of Surgery, Lenox Hill Hospital, New York, NY
  • 2001–2004, Categorical Resident, Department of Surgery, Lenox Hill Hospital, New York, NY
Academic Appointments
  • Assistant Clinical Professor, Division of Surgical Oncology, Department of Surgery
About Me

“What brings me the greatest joy is building a bond of trust with my patients during some of the most difficult moments in their lives,” says Aziz Ahmad, M.D., a surgical oncologist at City of Hope® Glendora. A highly respected surgeon known for his expertise, kindness and his sense of humor, Dr. Ahmad has been described by patients as “an angel” and “a surgeon’s surgeon.” 

Dr. Ahmad specializes in colorectal cancer surgery, but he also treats patients with cancers affecting other parts of the body, including the stomach, liver and pancreas. He sees patients at City of Hope’s Glendora and Rancho Cucamonga locations. Before joining City of Hope, Dr. Ahmad spent eight years treating patients through the Palo Alto Medical Foundation, one of the Bay Area’s largest health care networks. 

After earning his medical degree at the Chicago Medical School at Rosalind Franklin University, Dr. Ahmad completed his internship and surgical residency at Lenox Hill Hospital in New York City. He went on to complete a fellowship in surgical oncology at the John Wayne Cancer Institute in Santa Monica. He came to City of Hope to work alongside a team he describes as deeply committed to their patients. 

“If I can’t help someone directly,” he says, “I know I’m surrounded by colleagues who share the same passion and will do everything they can to help.”

Patient reviews
The patient ratings and comments on this page are obtained from an external Press Ganey® outpatient survey provided to all eligible City of Hope 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. 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, City of Hope.
Apr 16, 2026
5.0
"I always brag about my care from the City Of Hope teams"
Apr 8, 2026
5.0
"Dr Ahmad is one of a kind!! There are very few doctors that care for their patients in the way that Dr Ahmad, has shown care for my mother and my family. He makes you feel like your family. The care is exceptional. He is constantly following up with his patient. He takes the time to listen and he makes you feel like he understands the pain you're going through. He is a great and caring doctor!"
Mar 20, 2026
5.0
"Very gentle, attentive bedside manner. He understood my concerns and addressed some appropriately. I'm very pleased to have him take care of me"
Mar 11, 2026
4.9
"The doctor reviewed with me medical procedures and my recovery time and what I can and cannot do after surgery"
Mar 11, 2026
4.9
"The overall experience was very good! I like going to the office because the professional medicalStaff, cleanness, and comfort.Nice environment!"
Mar 5, 2026
5.0
"Very good"
Mar 5, 2026
5.0
"Very good"
Mar 2, 2026
5.0
"Very informative and detailed in the proper care needed."
Mar 2, 2026
5.0
"Excellent staff!!"
Mar 2, 2026
5.0
"Excellent explanation!!"
Feb 25, 2026
5.0
"I had no bad experience never have when I visit the office"
Feb 4, 2026
5.0
"EXCELLENT DR. LISTENS WITH HIS HEAD AND HIS HEART!!!! EXCEPTIONAL!!!!!"
Dec 31, 2025
5.0
"Dr. Ahmad was excellent. He was very attentive and gave good advice for the future."
Dec 18, 2025
5.0
"Excellent 2-way communication on next step"
Dec 18, 2025
5.0
"Good"
Dec 18, 2025
5.0
"Good"
Oct 17, 2025
5.0
"The care was beyond excellent"
Sep 20, 2025
5.0
"Already made recommendations!"
Sep 20, 2025
5.0
"Already made recommendations!"
Sep 16, 2025
5.0
"Excellent service"
Sep 16, 2025
5.0
"Very good service"
Aug 26, 2025
5.0
"Dr Ahmad makes you comfortable. He takes time to explain things and buts you at ease. I would definitely recommend him."
Aug 22, 2025
5.0
"Dr. Ahmad is the best doctor/surgeon I have ever been to in all my life. I cannot express just how wonderful he is!"
Aug 18, 2025
5.0
"Dr Aziz makes his patients feel important and meaningful. He takes the time to carefully explain things and put your mind at ease. He is very caring. The best."
Aug 9, 2025
5.0
"Good"
Jul 25, 2025
5.0
"Dr. Ahmad is an excellent practitioner!! He listens, explains thoroughly, and shows extreme compassion. I have never trusted and respected the opinion of a doctor more."
Jul 19, 2025
5.0
"This was my 1st appointment with Dr. Ahmad. He is very friendly and explains things thoroughly."
Jun 25, 2025
5.0
"I don't usually write reviews, but Dr. Ahmad was absolutely fantastic. After dealing with some chronic issues over the past 5 years and not getting answers from other doctors, Dr. Ahmad explained my situation perfectly. He even drew me a picture as a visual aid. He was completely straightforward about everything and really took extra time to listen to me and answer my questions. It got so I felt like I was using TOO MUCH of his time:)"
Jun 24, 2025
5.0
"Dr. Ahmad was very thorough in his explanation of my condition."
Jun 22, 2025
5.0
"I recently referred a friend of a friend who had been recommended to be seen at City of Hope, to see this doctor"
Jun 20, 2025
5.0
"Very professional"
Jun 20, 2025
5.0
"He was very knowledgeable and personal"
Jun 18, 2025
5.0
"Answered all my questions in the way for me to understand. Provided additional information on my condition."