Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Shannon, Gastroenterologist in Sugar Land, TX?
Dr. Gregory Shannon, MD is a Gastroenterologist, who primarily practices in Sugar Land, TX with 1 additional practice location. Dr. Shannon is fluent in English and Spanish, and is currently seeing new patients. Dr. Shannon’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Shannon’s office at (281) 201-1338.
What languages does Dr. Shannon speak?
Dr. Shannon and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Shannon treat?
As a Gastroenterologist, Dr. Shannon 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. Shannon. 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.
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:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
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:
- Other Esophagus Condition
- Esophagus Disorder
- Various esophageal diseases
- Miscellaneous esophagus problems
- Other food pipe issues
ICD-10 Codes:
- K2289: Other specified disease of esophagus
Also known as:
- Other Intestinal Condition
- Colonic Disease
- Small Intestine Disorder
- Bowel Conditions
- Gut Problems
- Digestive Issues
ICD-10 Codes:
- K6389: Other specified diseases of intestine
What procedures does Dr. Shannon perform?
As a Gastroenterologist, Dr. Shannon 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. Shannon. 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.
Also known as:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Biopsy
- Colorectal Polyp Removal
- Hot Biopsy Colonoscopy
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45384: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by hot biopsy forceps
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)
- EGD with Esophageal Balloon Dilation
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- Esophageal Dilation
- EGD with Dilation
- Upper Endoscopy with Widening
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
Also known as:
- Esophageal Dilation (Bougie)
- Esophageal Widening
- Bougie Dilation of Esophagus
- Swallowing Tube Dilation
CPT Codes:
- 43450: Dilation of esophagus, by unguided sound or bougie, single or multiple passes
Does Dr. Shannon accept my insurance?
Dr. Shannon accepts most major insurance plans. Important: Please call our office at (281) 201-1338 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Shannon accept in Sugar Land, TX?
Dr. Shannon in Sugar Land, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Community Health Choice
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Express Scripts
Health Care Service Corporation (HCSC)
Medicare
Other Health Care Provider
Sentara Health System / Optima Health
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Shannon's office located?
Dr. Gregory Shannon's Primary Practice
17510 W Grand Pkwy S Ste 220
Sugar Land, TX 77479
(281) 201-1338
Ratings & Reviews
5.0
Overall rating
Based on 63 reviews
Office Experience
99% of patients found the doctor and staff friendly and the office clean and modern
Attentiveness
99% of patients felt that their time spent with the doctor was meaningful and impactful and that any follow ups were addressed quickly
Wait Times
69% of patients were satisfied with the wait time
Appointment Booking
99% of patients found it easy to book an appointment
Patients give Dr. Gregory Shannon an Excellent overall experience rating of 5 out of 5 stars. Dr. Shannon has been rated and reviewed by 63 patients. These ratings are based on a variety of factors, including the amount of time patients spent with Dr. Shannon, his bedside manner, appointment waiting time, friendliness of the office staff, clarity of diagnosis, and more.
Read Patient ReviewsWhat is Dr. Shannon's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Shannon's National Provider Identifier (NPI) number is 1730148495.
What common questions do patients ask about Dr. Shannon?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Shannon
What is Dr. Gregory Shannon's specialty?
Dr. Shannon is a Gastroenterologist near Sugar Land, TX. 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. Contact Dr. Shannon to book an appointment today.
Is this Dr. Gregory Shannon affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Shannon is affiliated with Houston Methodist Sugar Land Hospital, Memorial Hermann Memorial City Medical Center, Houston Methodist West Hospital which are a Castle Connolly Top Hospitals. 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
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with 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 Gregory Shannon accepting new patients in Sugar Land, TX?
Yes, Dr. Gregory Shannon is accepting new patients at this time.
Does Dr. Gregory Shannon offer online booking?
Please contact Dr. Shannon's office at (281) 201-1338 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Gregory Shannon?
Please contact Dr. Shannon's office at (281) 201-1338 for information regarding telehealth appointment availability or for scheduling assistance.
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