RT
26 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Thomson, Gastroenterologist in Concord, NH?
Dr. Robert Thomson, MD is a Gastroenterologist, who primarily practices in Concord, NH with 2 additional practice locations. He has been practicing for over 26 years and is board certified. Dr. Thomson graduated from Rush Medical College of Rush University Medical Center and completed his residency at Mary Hitchcock Mem Hosp, Gastroenterology; Mary Hitchcock Mem Hosp, Internal Medicine. Dr. Thomson is fluent in English and Spanish, and is currently seeing new patients. Dr. Thomson’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Thomson’s office at (603) 228-1763.
What are Areas of Expertise for Dr. Thomson?
Dr. Robert Thomson, 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. Thomson empowers patients to confidently navigate their health journey, specializing in Diarrheal Diseases, Pain-Abdominal/Functional, and comprehensive wellness support. Serving the Concord, NH community, Dr. Thomson is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Thomson go to medical school and complete their residency?
Residency: Mary Hitchcock Mem Hosp, Gastroenterology; Mary Hitchcock Mem Hosp, Internal Medicine | Dartmouth-Hitchcock Medical Center Program
Medical School: Rush Med Coll of Rush University, Chicago Il | Rush Medical College of Rush University Medical Center
Is Dr. Thomson board certified as a Gastroenterologist?
Yes, Dr. Robert Thomson, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Thomson speak?
Dr. Thomson and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Gastroenterologist like Dr. Thomson typically treat?
As a Gastroenterologist, Dr. Thomson 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. Thomson. 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:
- Benign Transverse Colon Polyp
- Benign Ascending Colon Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous transverse colon growth
- Transverse colon adenoma
- Transverse colon benign tumor
- Non-cancerous ascending colon growth
- Ascending colon adenoma
- Ascending colon benign tumor
ICD-10 Codes:
- D123: Benign neoplasm of transverse colon
- D122: Benign neoplasm of ascending 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
What procedures does a Gastroenterologist like Dr. Thomson typically perform?
As a Gastroenterologist, Dr. Thomson 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. Thomson. 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:
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 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
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
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:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Esophageal Balloon Dilation
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
Also known as:
- Capsule Endoscopy
- Pill Camera
- Wireless Capsule Endoscopy
- Small Bowel Capsule Endoscopy
- Intestinal Imaging Pill
CPT Codes:
- 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report
Does Dr. Thomson accept my insurance?
Dr. Thomson accepts most major insurance plans. Important: Please call our office at (603) 228-1763 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Thomson accept in Concord, NH?
Dr. Thomson in Concord, NH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
BCBS Unspecified
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Medicare
Point32Health
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Thomson's office located?
Dr. Robert Thomson's Primary Practice
60 Commercial St Ste 404
Concord, NH 03301
(603) 228-1763
What is Dr. Thomson's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Thomson's National Provider Identifier (NPI) number is 1780610550.
What common questions do patients ask about Dr. Thomson?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Thomson
What is Dr. Robert Thomson's specialty?
Dr. Thomson is a Gastroenterologist near Concord, NH.
What does a Gastroenterologist do?
An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs.
Is this Dr. Robert Thomson affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Thomson is affiliated with Concord Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Robert Thomson accepting new patients in Concord, NH?
Yes, Dr. Robert Thomson is accepting new patients at this time.
Does Dr. Robert Thomson offer online booking?
Please contact Dr. Thomson's office at (603) 228-1763 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Robert Thomson?
Please contact Dr. Thomson's office at (603) 228-1763 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Robert Thomson have?
Dr. Robert Thomson is certified by the American Board of Internal Medicine.
Other Gastroenterologist Near Concord, NH
BL
Dr. Burr Loew, MD is a Gastroenterologist, who primarily practices in Concord, NH with 1 additional practice location.
Concord, NH
SO
Gastroenterologist
Dr. Scott Oosterveen, MD is a Gastroenterologist, who primarily practices in Concord, NH with 1 additional practice location. He is board certified.
Concord, NH

Gastroenterologist
Dr. Matthew Rockacy, MD is a Gastroenterologist, who primarily practices in Nashua, NH with 2 additional practice locations. He is board certified.
Nashua, NH