Ambulatory Endoscopy Center – North


on the campus of
Integris Baptist Medical Center
3366 NW Expressway, Building D – Suite 400
Oklahoma City, OK 73112

Phone: 405-702-1300
Toll Free: 1-800-787-6177
Fax: 405-702-1280

Monday-Friday:  8:00 a.m. to 4:30 p.m.


Sumit Ahluwalia, M.D.
Neil Crittenden, M.D.
Matthew A. McBride, M.D.
David A. Neumann II, M.D.
Carl A. Raczkowski, M.D.
Kenneth Seres, M.D.
David Stokesberry, M.D.
Verapan Vongthavaravat, M.D.
Clinton G. Wallis, M.D.

Nurse Practitioners

Misty Chaney, APRN-CNP

Ambulatory Endoscopy Center – South 


on the campus of
Integris Southwest Medical Center
4201 S. Western Ave.
Oklahoma City, OK 73109
Phone: 405-632-4000
Toll Free: 1-800-306-1933
Fax: 405-632-4073

Map & Directions
Office Hours:  8:00 a.m. to 5:00 p.m., Monday-Friday
Appointment Cancellation Policy


Dr. Maria Chang
Dr. Ross Keener
Dr. Son Nguyen
Dr. Syed Rizvi
Dr. Jeffery Scott