Dr. Thomas N. Dewar
- Gender: Male
- Experience: 35 years
- Graduated from: University Of Texas Southwestern Medical School At Dallas
- Graduation year: 1986
- Sole propriator: No
- NPI: 1811988587
Dr. Thomas N. Dewar M.D.
Gastroenterologist
He is located at 6317 Harris Parkway Ste. 300 in Fort Worth, TX 76132. Can help patients with the following: Carcinoid Tumor, Heartburn, Intussusception, Pancreas Divisum, Pancreatic Cancer, Peptic Ulcer. His National Provider Identifier (NPI) number is 1811988587. Appointment can be made via the phone number (812) 361-6900. He also has a website where you can get more information. The website can be found at https://gialliance.com/team/thomas-n-dewar-fort-worth-tx/. He is affiliated with 3 practices and 1 hospitals.
Conditions treated
Dr. Thomas N. Dewar, 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. Thomas N. Dewar.
- Abdominal Pain
- Anemia
- Ascites
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Childhood Obesity
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Constipation
- Crohn's Disease
- Diarrhea
- Diverticulosis
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Nausea and Vomiting
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
Procedures Performed by Dr. Thomas N. Dewar
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Thomas N. Dewar as in-network for the following 2026 plans.
Health plans
Ambetter from Superior HealthPlan
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 12 plans from Ambetter from Superior HealthPlan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Complete Gold | EPO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Enhanced Diabetes Care Silver with $0 Drug Options | EPO · Silver | Preferred | Accepting new patients |
| Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
| Everyday Gold | EPO · Gold | Preferred | Accepting new patients |
| Everyday Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Focused Silver | EPO · Silver | Preferred | Accepting new patients |
| Focused Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
| Standard Gold | EPO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Standard Silver | EPO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
Blue Cross and Blue Shield of Texas
Network data as of Jun 7, 2026, as reported by the insurer.
Show all 19 plans from Blue Cross and Blue Shield of Texas
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Advantage Bronze HMO℠ 204 (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Bronze HMO℠ 301 (14 plan variants) | HMO · Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Bronze HMO℠ Standard (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ 206 (27 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ 603 (14 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ Standard (27 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ 303 (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ 305 (27 plan variants) | POS · Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ Standard (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ 203 (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ 803 (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ Standard (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ 202 (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ 605 (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ Standard (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Security HMO℠ 200 (27 plan variants) | HMO · Catastrophic | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ 205 (27 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ 801 (14 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ Standard (27 plan variants) | HMO · Silver | Blue Advantage HMO | 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. Thomas N. Dewar 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. Thomas N. Dewar is enrolled to bill Medicare as a Practitioner - Gastroenterology .
Bills through: Texas Digestive Disease Consultants, Pllc
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.
Studies
UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated in 1986Other ways to reach out
- Website: https://gialliance.com/team/thomas-n-dewar-fort-worth-tx/
- Facebook: http://www.facebook.com/tddctx
Affiliated practices
Looking for more Gastroenterologists?
Out of the 10 gastroenterologists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: Ste 300 6317 Harris Pkwy Fort Worth, 76132, TX
- Gender: Female
- Address: Ste 300 6317 Harris Pkwy Fort Worth, 76132, TX
- Gender: Male
- Address: 8 South 1775 West Dempster Street Park Ridge, 60068, IL
- Gender: Female
- Address: Ste 300 6317 Harris Pkwy Fort Worth, 76132, TX
- Gender: Male
- Address: Suite 300 6317 Harris Parkway Fort Worth, 76132, TX
- Gender: Male
- Address: Ste 300 6317 Harris Pkwy Fort Worth, 76132, TX
- Gender: Female
- Address: 6317 Harris Parkway Suite 300 Ft Worth, 76132, TX
- Gender: Male
- Address: Suite 100 6445 Harris Parkway Fort Worth, 76132, TX
- Gender: Male
- Address: Suite 105 7633 Bellaire Drive South Fort Worth, 76132, TX
Questions & Answers
Does Dr. Thomas N. Dewar have affiliation with practices?
Dr. Thomas N. Dewar is affiliated with Gastroenterology Associates of North Texas. For the full list of practices see this list.
Has Dr. Thomas N. Dewar affiliation with hospitals?
Dr. Thomas N. Dewar is affiliated with TEXAS HEALTH HARRIS METHODIST HOSPITAL SOUTHWEST F.
Where can you meet with Dr. Thomas N. Dewar?
Dr. Thomas N. Dewar's office is located at 6317 Harris Parkway Ste. 300 in Fort Worth, TX 76132.
Does Dr. Thomas N. Dewar accept patients with Ambetter from Superior HealthPlan?
Yes, Dr. Thomas N. Dewar is listed in-network for Ambetter from Superior HealthPlan through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. Thomas N. Dewar treat?
Dr. Thomas N. Dewar provides treatment for Carcinoid Tumor, Heartburn, Intussusception, Pancreas Divisum, Pancreatic Cancer, Peptic Ulcer. For the full list see this list.