Affiliated with a Castle Connolly Top Hospital
Who is Dr. Dewar, Gastroenterologist in Keller, TX?
What are Areas of Expertise for Dr. Dewar?
Dr. Thomas Dewar, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Dewar empowers patients to confidently navigate their health journey, specializing in Biliary Disease, Colon Cancer Screening, Gastrointestinal Disorders, Inflammatory Bowel Disease, and comprehensive wellness support. Serving the Keller, TX community, Dr. Dewar is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Dewar go to medical school and complete their residency?
Residency: Univ Ca Sf Med Ctr, Gastroenterology; Univ Ca Sf Sch Of Med, Internal Medicine
Medical School: University of Texas Southwestern Medical School, Dallas
Is Dr. Dewar board certified as a Gastroenterologist?
Yes, Dr. Thomas Dewar, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Dewar speak?
Dr. Dewar and their clinical team can communicate with patients in the following languages:
- English
- Spanish
What conditions does a Gastroenterologist like Dr. Dewar typically treat?
As a Gastroenterologist, Dr. Dewar diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Dewar. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
What procedures does a Gastroenterologist like Dr. Dewar typically perform?
As a Gastroenterologist, Dr. Dewar performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Dewar. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Esophagus Widening Procedure (Endoscopic)
- Diagnostic Upper Endoscopy with Biopsy
- Esophageal Dilation
- EGD with Dilation
- Upper Endoscopy with Widening
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Hemorrhoid Removal with Rubber Band Ligation
- Rubber Band Ligation for Hemorrhoids
- Internal Hemorrhoid Ligation
- Banding of Hemorrhoids
- Hemorrhoid Banding
CPT Codes:
- 46221: Hemorrhoidectomy, internal, by rubber band ligation(s)
Does Dr. Dewar accept my insurance?
Dr. Dewar accepts most major insurance plans. Important: Please contact the office before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Dewar accept in Keller, TX?
Dr. Dewar in Keller, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cigna Group
CVS Health (formerly Aetna)
Federal government of the United States
Health Care Service Corporation
Healthcare Advantage
Humana
Medicare
Mutual of Omaha
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Dewar's office located?
What hospitals are Dr. Dewar affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Dewar has admitting privileges at the following hospitals:
What is Dr. Dewar's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Dewar's National Provider Identifier (NPI) number is 1811988587.
What common questions do patients ask about Dr. Dewar?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Dewar