Northwest Colon-Rectal Surgery, P.A.

Questions? Contact Us Today at 281.583.1300

Dr. Khawaja Azimuddin, Dr. Tal Raphaeli, Dr. Jean Knapps

At Northwest Colon & Rectal Surgery P.A. and The Hemorrhoid Center ®, Dr. Khawaja Azimuddin, FACS FASCRS, Dr. Tal Raphaeli, FACS, and Dr. Jean Knapps specialize in the treatment of the diseases of the Colon, Rectum and Anus. We believe that specialization leads to better outcomes. Seek us out as the experts in colorectal surgery and proctology. When it comes to your health, we are here to provide you with the best care. We can be reached 24 hours a day by dialing 281-583-1300, or by email at

At Northwest Colon & Rectal Surgery P.A. we strive to provide you with the highest quality of care in Colorectal surgery and proctology. Drs. Azimuddin, Raphaeli, and Knapps are board-certified Colon and Rectal surgeons committed to providing you with the finest and most advanced expert care in a compassionate manner. We are the leaders in providing innovative and new surgical techniques in the field of Colon and Rectal Surgery and proctology in Houston and surrounding areas - North Houston, Humble, Kingwood, Cypress, Tomball, Willowbrook, and The Woodlands.


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FM 1960 & I-45 Office
1125 Cypress Station Dr.
Suite G3
Houston, Texas 77090
Phone: (281) 583-1300

Vintage & Tomball Office
20207 Chasewood Park Dr.
Suite 203
Houston, Texas 77070
Phone: (281) 583-1300

Kingwood & Humble Office
18955 N. Memorial Dr.
Suite 530
Humble, Texas 77338
Phone: (281) 583-1300

The Woodlands Office
17189 I-45 South
Medical Office Building 2
Suite 275
The Woodlands, Texas 77385
Phone: (281) 583-1300

CyFair Office
11302 Fallbrook Dr.
Suite 302
Houston, Texas 77065
Phone: (281) 583-1300

Hemorrhoid Center Meet Our Specialists

Robotic & Minimally Invasive Laparoscopic Surgery