About Us

Oncology Consultants (OC) is the largest independent community oncology practice in Houston. Since 1982, we’ve been committed to delivering cutting-edge cancer treatment in a caring environment. With locations throughout South Texas, we offer a comprehensive range of services and treatments, including infusion therapy, radiotherapy, diagnostic imaging, pharmacy services, clinical trials, genetic testing, telemedicine, and more. 

GET TO KNOW US

Our Story

Our Story and Mission

oc-leadership

Our Leadership

oc-with-you-blog

OC Corner

A space for our staff to share the latest developments, news, and opinions from our different departments.

OC NEWS

Asad Haider

08/05/2026

Oncology Consultants Welcomes Dr. Asad Haider

OC welcomes Dr. Haider, a board-certified medical oncologist, now accepting patients at three convenient Houston-area Texas locations.

Oncology Consultants Welcomes Dr. Asad Haider

Careers

 

Want to be part of our team? Visit our OC Careers page and learn more about the work opportunities in our offices. 

 

Learn more