Dr. William Tierney, MD | Oklahoma City, OK | Gastroenterology

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Dr. William Tierney is a gastroenterologist with 36 years of experience treating digestive system disorders. He earned his medical degree from Yale University School of Medicine and completed his internal medicine residency at Pennsylvania Hospital of the University of Pennsylvania Health System. Dr. Tierney furthered his training with a gastroenterology fellowship at the University of Michigan Hospitals & Health Centers and holds board certification in internal medicine from the American Board of Internal Medicine. He provides care in English for his patients.

Dr. Tierney practices at OU Health Physicians - Internal Medicine Clinic in Oklahoma City, Oklahoma. He specializes in treating colon polyps and addressing swallowing difficulties. His expertise includes performing upper GI endoscopy and colonoscopy procedures to diagnose and treat digestive conditions. Patients have given Dr. Tierney an average rating of 4.5 out of 5 stars on Vitals.

AI-generated from data on this provider profile.

accepting new patients
4.5

11 Ratings
36 years of experience
23 insurance plans accepted
speaks English
Univ Of Mi Hosps & Hlth Ctrs, Gastroenterology; Univ Of Pa Hlth System, Internal Medicine
6 written reviews
1 specialty
14 areas of expertise
2 board certifications
1 office location
Male

11 ratings & reviews

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Showing 1 to 6 of 6 reviews

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Dr. Tierney is excellent to work with.

March 15th, 2026 | Source: Partner

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Very compassionate and professional.

February 15th, 2026 | Source: Partner

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My care provider offered to let me go to Lawton because I was doing so good. She was trying to save me a long drive. I refused because she has been so great. She is truly co center about my health and well being.

May 18th, 2025 | Source: Partner

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Dr. Tierney has been my gastroenterologist for 5+ years. He has always spent quality time explaining my health concerns, and how I can move forward with a better quality of life.Dr. Tierney knows me he takes the time to listen, and is always pleasant. He saved my life, and continues to encourage and treat me.

March 14th, 2025 | Source: Partner

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Cannot say enough about Dr Tierney!! He is professional, LISTENS, and cares for his patients!! The best of the best!!

July 17th, 2024 | Source: Partner

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I have been going to Dr Tierney for 10 years and will continue to see him as long as I can.

November 18th, 2015

OU Health Physicians - Internal Medicine Clinic

1000 NE 13th St # 1GOklahoma City, OK 73104

Tel: (572) 244-0063

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed


Dr. William Tierney, MD	Jan Seiler, APRN	Allison Duncan, APRN	Ashley Anderson, APRN
Gastroenterology	Gastroenterology	Gastroenterology	Gastroenterology
Accepts New Patients	Accepts New Patients	Accepts New Patients	Accepts New Patients
4.5 (11 Ratings)	0 (0 Ratings)	0 (0 Ratings)	0 (0 Ratings)
36 Years of Experience
No Virtual Visit Option	Virtual Visit Available	Virtual Visit Available	Virtual Visit Available
Speaks English	Speaks English	Speaks English	Speaks English
Oklahoma City , OK	Montgomery , AL	Tempe , AZ	SACRAMENTO , CA
Med School: Yale University School of Medicine	Med School: Georgia State University	Med School: Indiana State University	Med School: East Tennessee State University - Quillen College of Medicine
Current Profile	View Profile	View Profile	View Profile

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Mutual of Omaha
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Oscar Health Insurance
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UnitedHealthcare

Gastroenterology

Abdominal Pain
Acid Reflux Disease (Gastroesophageal Reflux / GERD)
Acid Reflux Disease (GERD)
Celiac Disease
Colon Cancer
Colonoscopy
Constipation
Endoscopic Ultrasound (Fetoscopy)
Gastrointestinal Cancer
Hemorrhoids
Hepatitis C
Irritable Bowel Syndrome (IBS)
Pancreatic Diseases
Ulcerative Colitis

BOARD CERTIFICATIONS

American Board of Internal Medicine

Internal medicine

MEDICAL LICENSE

Medical Doctor, Oklahoma, 2026, Active

EDUCATION & TRAINING

Residency

Univ Of Mi Hosps & Hlth Ctrs, Gastroenterology; Univ Of Pa Hlth System, Internal Medicine

Pennsylvania Hospital of the University of Pennsylvania Health System Program

Medical School

Yale University School of MedicineGraduated in 1990

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Is Dr. William Tierney accepting new patients?: Dr. William Tierney is accepting new patients on Vitals. View Dr. William Tierney's profile on Vitals to make an appointment.
Does Dr. William Tierney accept my insurance?: You can see the insurance plans that Dr. William Tierney accepts on their Vitals profile.
Where is Dr. William Tierney's office located?: Dr. William Tierney's office is located at 1000 NE 13th St # 1G, Oklahoma City, OK, 73104.
Does Dr. William Tierney accept virtual/telehealth appointments?: Dr. William Tierney has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. William Tierney speak?: Dr. William Tierney speaks English.

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