Khawaja Azimuddin, M.D., F.A.C.S., FASCRS


Dr. Khawaja Azimuddin is one of the few board-certified colon and rectal surgeons currently practicing in North Houston, TX. Affectionately called "Dr. Azi" by his many patients, he is board certified in both general surgery and colon and rectal surgery. With two decades of experience and training under his belt, Dr. Azi is proud to serve the Greater Houston area at Houston Colon and Rectal Surgery and their many locations alongside his equally skilled peers.


Dr. Azimuddin earned his medical degree from Dow Medical College in Karachi, Pakistan. After this, he received general surgery training at the New York Medical College and went on to complete his fellowship training in colon and rectal surgery at Penn State University and Lehigh Valley Hospital in Allentown, PA. Throughout his longstanding career, Dr. Azi has lectured and published extensively. He is an editorial reviewer for the Diseases of the Colon & Rectum (the official journal of the American Society of Colon and Rectal Surgeons) and the International Journal of Surgery. He has authored 21 research articles in scientific journals and has delivered numerous lectures in regional, national, and international colorectal conferences.

Specialties and Expertise

At Houston Colon and Rectal Surgery, Dr. Azimuddin specializes in providing treatments for a range of colorectal conditions and diseases, including colon and rectal cancer, hemorrhoids, colitis, anal fissures, fistulas, diverticulitis, fecal incontinence, and many others. Over the years, he has learned and perfected a number of advanced techniques, including robotic surgery and minimally invasive colon surgery.

Along with being double board-certified in general and colon and rectal surgery, Dr. Azi is a member of numerous surgical societies, including the American College of Surgeons and the American Society of Colon and Rectal Surgeons.


As an award-winning surgeon and an active member of his Houston, TX community, Dr. Azi believes in the well-known proverb "service above self." He is a member of Rotary International and has even been named a Paul Harris Fellow. Of the many notable recognition he has received, he is most proud of the Distinguished Service Award, which is one of the highest honors bequeathed by Rotary International.

Dr. Azimuddin is also a published author and his autobiography "The Boy Refugee: A Memoir from a Long-Forgotten War" has received widespread acclaim around the world. It is available at Amazon, Barnes & Noble, and all other major bookstores. To check out his story please visit


"What an amazing experience! The results were amazing on top loving to visit their office and staff. I highly recommend them to all my friends and family."


Office Visit

"Dr. Azimuddin was my surgeon for a required total colectomy. Naturally, having to have a complicated surgery was incredibly scary and the recovery process was difficult. Dr. Azimuddin was wonderful, though, throughout -- leading up to the surgery, the surgery itself and the recovery process. He is very direct and frank, which I appreciate greatly. Most importantly, my surgical results were about the best you can have with this type surgery. I had no complications from the actual surgery and my recovery process -- albeit difficult -- was easier than what most patients experience with a total colectomy. I would highly recommend Dr. Azimuddin to others who need to have colon surgery."



"Dr. Azimuddin has been my doctor through a total colectomy, ostomy reversal, a couple diagnostic procedures, some hospital stays, and many in-office visits. He is always friendly, makes me feel comfortable, and is always concerned about my progress. He gives direct answers and takes the time to make sure I (and my parents) understand things. I always feel comfortable asking him any questions I have. Any nurse or hospital staff I've talked to always has great things to say about him. This has been a long journey through some pretty serious medical issues and Dr. Azi has been a great doctor to have on my side."



"I am really glad I was referred to Dr. Azimuddin by my PCP.  I had terrible hemorrhoids and he walked me through my options, before I made the decision to have a hemorrhoidectemy.  He doesn't show much emotion and it straight to the point, which I appreciated, but not everyone does. A few days after my surgery, he saw me for a same day appointment because I was in pain that I thought was more than I thought I should feel.  But after a discussion and guidance on keeping on top of my medications, within 24 hours, I was a different person.  It was like a light switch. While he seems unemotional, he seems to really care about his patients, and was very patient with my questions. I highly recommend Dr. Azimuddin to anyone for any procedures or office visits he offers."



"Excellent care from Dr. Azi and his office. Highly recommend."



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*Individual results are not guaranteed and may vary from person to person. Images may contain models.