Summary

Dr. Clinton Wallis specializes in gastroenterology and internal medicine, bringing 28 years of experience to his practice. He earned his medical degree from American University of The Caribbean School of Medicine and completed his residency at University Hospital of Arkansas. Dr. Wallis is fluent in both English and Vietnamese.

Dr. Wallis practices at multiple locations throughout Oklahoma City and Edmond, including Integris Baptist Medical Center, Memorial Health System of Southwest Oklahoma, Community Hospital, and Integris Health Edmond Hospital. He focuses on treating conditions such as colon polyps, swallowing difficulties, and esophageal narrowing. His expertise includes performing colonoscopies and both upper and lower gastrointestinal endoscopies to diagnose and treat digestive system disorders. Patients rate Dr. Wallis an average of 3.9 out of 5 stars on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.9
  • 28 years of experience
  • speaks English, Vietnamese
  • University Hospital Of Arkansas
  • 12 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 4 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Clinton Graves Wallis has 3 locations

Hpi Community Gastroenterology

6516 N Olie Ave Ste AOklahoma City, OK 73116
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

Integris Baptist Medical Center

3300 Nw ExpresswayOklahoma City, OK 73112

Integris Health Edmond

4801 Integris PkwyEdmond, OK 73034

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Dr. Clinton Graves Wallis, MD
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Dr. Clinton Graves Wallis, MDAshley Anderson, APRNJan Seiler, APRNAllison Duncan, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.9 
28 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Vietnamese Speaks English Speaks English Speaks English
Oklahoma City , OKSacramento , CAMontgomery , ALTempe , AZ
Med School: American University Of The Caribbean School Of Medicine Med School: East Tennessee State University - Quillen College of Medicine Med School: Georgia State University Med School: Indiana State University
Current Profile
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Insurance Plans Accepted by Dr. Clinton Graves Wallis

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Clinton Graves Wallis has the following 2 specialties

Specialty Expertise

Dr. Clinton Graves Wallis has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

28 Years Experience

Dr. Clinton Graves Wallis holds an expired medical license in the state of Oklahoma.

Medical License

Medical Doctor with an expired medical license in the state of Oklahoma that expired in 2026.

Education & Training

Residency

Completed their residency at University Hospital Of Arkansas.

Medical School

Graduated from American University Of The Caribbean School Of Medicine in 1998.

NPI Number

Dr. Wallis' NPI number is 1255384483.

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Frequently Asked Questions

Does Dr. Clinton Wallis accept virtual/telehealth appointments?
Dr. Clinton Wallis has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Clinton Wallis's office located?
Dr. Clinton Wallis's office is located at 6516 N Olie Ave Ste A, Oklahoma City, OK, 73116.
How can I make an appointment with Dr. Clinton Wallis?
You can find contact information for Dr. Clinton Wallis here on Vitals.
Does Dr. Clinton Wallis accept my insurance?
You can see the insurance plans that Dr. Clinton Wallis accepts on their Vitals profile.
Which hospitals is Dr. Clinton Wallis affiliated with?
Dr. Clinton Wallis is affiliated with Integris Baptist Medical Center, Memorial Health System Of Southwest Oklahoma, Community Hospital, and Integris Health Edmond Hospital.

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