Dr. William M. Tierney
- Gender: Male
- Experience: 31 years
- Graduated from: Yale University School Of Medicine
- Graduation year: 1990
- Sole propriator: No
- NPI: 1255300513
Dr. William M. Tierney MD
Gastroenterologist
He is located at 825 Northeast 10th Street Oupb 2300 in Oklahoma City, OK 73104. Can help patients with the following: Celiac Disease, Cystitis, Fever, Helicobacter Pylori Infection, Hyponatremia, Inflammatory Bowel Disease (IBD). His National Provider Identifier (NPI) number is 1255300513. Appointment can be made via the phone number (405) 271-8478. He is affiliated with 4 practices and 1 hospitals.
Conditions treated
Dr. William M. Tierney, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. William M. Tierney.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. William M. Tierney
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. William M. Tierney as in-network for the following 2026 plans.
Health plans
Blue Cross and Blue Shield of Oklahoma
Network data as of Jun 7, 2026, as reported by the insurer.
Show all 13 plans from Blue Cross and Blue Shield of Oklahoma
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Advantage Bronze PPO℠ 202 (5 plan variants) | PPO · Bronze | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Bronze PPO℠ 203 (5 plan variants) | PPO · Expanded Bronze | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Bronze PPO℠ Standard (5 plan variants) | PPO · Expanded Bronze | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Gold PPO℠ 309 (5 plan variants) | PPO · Gold | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Gold PPO℠ 604 (5 plan variants) | PPO · Gold | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Gold PPO℠ Standard (5 plan variants) | PPO · Gold | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Silver PPO℠ 204 (5 plan variants) | PPO · Silver | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Silver PPO℠ 501 (5 plan variants) | PPO · Silver | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Silver PPO℠ Standard (5 plan variants) | PPO · Silver | Blue Advantage PPO | Accepting new patients |
| Blue Preferred Bronze PPO℠ Standard (5 plan variants) | PPO · Expanded Bronze | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Gold PPO℠ Standard (5 plan variants) | PPO · Gold | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Security PPO℠ 200 (5 plan variants) | PPO · Catastrophic | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Silver PPO℠ Standard (5 plan variants) | PPO · Silver | Blue Preferred PPO | Accepting new patients |
Medica
Network data as of Jul 2, 2026, as reported by the insurer.
Show all 27 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Balance by Medica Bronze $0 Copay PCP Visits | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Balance by Medica Bronze Premier | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Balance by Medica Expanded Bronze Standard | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Balance by Medica Gold $0 Copay PCP Visits | PPO · Gold | Preferred | Accepting new patients |
| Balance by Medica Gold Share | PPO · Gold | Preferred | Accepting new patients |
| Balance by Medica Gold Standard | PPO · Gold | Preferred | Accepting new patients |
| Balance by Medica Silver $0 Copay PCP Visits | PPO · Silver | Preferred | Accepting new patients |
| Balance by Medica Silver Share | PPO · Silver | Preferred | Accepting new patients |
| Balance by Medica Silver Standard | PPO · Silver | Preferred | Accepting new patients |
| Harmony by Medica Bronze $0 Copay PCP Visits | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Harmony by Medica Bronze $0 Copay PCP Visits + Adult Eye Exam | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Harmony by Medica Bronze Premier | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Harmony by Medica Bronze Premier + Adult Eye Exam | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Harmony by Medica Expanded Bronze Standard | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Harmony by Medica Expanded Bronze Standard + Adult Eye Exam | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Harmony by Medica Gold $0 Copay PCP Visits | PPO · Gold | Preferred | Accepting new patients |
| Harmony by Medica Gold $0 Copay PCP Visits + Adult Eye Exam | PPO · Gold | Preferred | Accepting new patients |
| Harmony by Medica Gold Share | PPO · Gold | Preferred | Accepting new patients |
| Harmony by Medica Gold Share + Adult Eye Exam | PPO · Gold | Preferred | Accepting new patients |
| Harmony by Medica Gold Standard | PPO · Gold | Preferred | Accepting new patients |
| Harmony by Medica Gold Standard + Adult Eye Exam | PPO · Gold | Preferred | Accepting new patients |
| Harmony by Medica Silver $0 Copay PCP Visits | PPO · Silver | Preferred | Accepting new patients |
| Harmony by Medica Silver $0 Copay PCP Visits + Adult Eye Exam | PPO · Silver | Preferred | Accepting new patients |
| Harmony by Medica Silver Share | PPO · Silver | Preferred | Accepting new patients |
| Harmony by Medica Silver Share + Adult Eye Exam | PPO · Silver | Preferred | Accepting new patients |
| Harmony by Medica Silver Standard | PPO · Silver | Preferred | Accepting new patients |
| Harmony by Medica Silver Standard + Adult Eye Exam | PPO · Silver | Preferred | Accepting new patients |
Mending Health
Network data as of Sep 10, 2026, as reported by the insurer.
Show all 6 plans from Mending Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| MENDING Direct Primary Care Bronze 4950 ($0 DPC + $0 PCP + $0 Mental Health) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| MENDING Direct Primary Care Gold $0 Ded ($0 DPC $0 PCP + $0 Mental Health) | HMO · Gold | Preferred | Accepting new patients |
| MENDING Direct Primary Care Silver 2300 ($0 DPC + $0 PCP + $0 Mental Health) | HMO · Silver | Preferred | Accepting new patients |
| MENDING Standard Bronze (No Direct Primary Care, for DPC select DPC Bronze) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| MENDING Standard Gold (No Direct Primary Care, for DPC select DPC Gold) | HMO · Gold | Preferred | Accepting new patients |
| MENDING Standard Silver (No Direct Primary Care, for DPC select DPC Silver) | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. William M. Tierney is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. William M. Tierney is enrolled to bill Medicare as a Practitioner - Gastroenterology .
Bills through: Board Of Regents Of The University Of Oklahoma - Ou Physicians
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| US Endoscopy | $97 |
| Olympus | $38 |
| Apollo Endosurgery | $18 |
Other
| Food and Beverage | $155 |
Studies
YALE UNIVERSITY SCHOOL OF MEDICINE
Graduated in 1990Additional Specialities
- Internist
Affiliated practices
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Questions & Answers
Has Dr. William M. Tierney affiliation with hospitals?
Dr. William M. Tierney is affiliated with OU MEDICAL CENTER.
Does Dr. William M. Tierney accept patients with Medica?
Yes, Dr. William M. Tierney is listed in-network for Medica through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. William M. Tierney?
Dr. William M. Tierney's office is located at 825 Northeast 10th Street Oupb 2300 in Oklahoma City, OK 73104.
Does Dr. William M. Tierney have affiliation with practices?
Dr. William M. Tierney is affiliated with OU Physicians Mid-Del Family Medicine. For the full list of practices see this list.
What conditions does Dr. William M. Tierney treat?
Dr. William M. Tierney provides treatment for Celiac Disease, Cystitis, Fever, Helicobacter Pylori Infection, Hyponatremia, Inflammatory Bowel Disease (IBD). For the full list see this list.