ST
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Thiwan, Gastroenterologist in Norfolk, VA?
Dr. Syed Ismail Thiwan, MD is a Gastroenterologist, who primarily practices in Norfolk, VA with 1 additional practice location. Dr. Thiwan graduated from Tirunelveli Medical College and completed his residency at Rutgers Robert Wood Johnson Medical School Program. Dr. Thiwan is fluent in English and Tamil, and is currently seeing new patients. Dr. Thiwan’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Thiwan’s office at (757) 466-0165.
Where did Dr. Thiwan go to medical school and complete their residency?
Residency: Rutgers Robert Wood Johnson Medical School Program
Medical School: Tirunelveli Medical College
What languages does Dr. Thiwan speak?
Dr. Thiwan and their clinical team can communicate with patients in the following languages:
English
Tamil
What conditions does a Gastroenterologist like Dr. Thiwan typically treat?
As a Gastroenterologist, Dr. Thiwan 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. Thiwan. 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:
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K921: Melena
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:
- Abnormal Liver Function Test
- Liver Disease
- Irregular Liver Function Study
- Unusual Liver Exam
- Liver Disease Diagnosis
ICD-10 Codes:
- R945: Abnormal results of liver function studies
What procedures does a Gastroenterologist like Dr. Thiwan typically perform?
As a Gastroenterologist, Dr. Thiwan 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. Thiwan. 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:
- EGD with Esophageal Balloon Dilation
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- 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:
- 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:
- 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. Thiwan accept my insurance?
Dr. Thiwan accepts most major insurance plans. Important: Please call our office at (757) 466-0165 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Thiwan accept in Norfolk, VA?
Dr. Thiwan in Norfolk, VA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Humana
Medicare
Sentara Health System / Optima Health
State of Virginia
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Thiwan's office located?
Dr. Syed Ismail Thiwan's Primary Practice
885 Kempsville Rd Ste 114
Norfolk, VA 23502
(757) 466-0165
What is Dr. Thiwan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Thiwan's National Provider Identifier (NPI) number is 1932174687.
What common questions do patients ask about Dr. Thiwan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Thiwan
What is Dr. Syed Ismail Thiwan's specialty?
Dr. Thiwan is a Gastroenterologist near Norfolk, VA.
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. Syed Ismail Thiwan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Thiwan is affiliated with Sentara Leigh Hospital, Sentara Norfolk General Hospital, Sentara Rmh Medical Center, Sentara Virginia Beach General Hospital, Sentara Princess Anne Hospital, Sentara Obici 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
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 Syed Ismail Thiwan accepting new patients in Norfolk, VA?
Yes, Dr. Syed Ismail Thiwan is accepting new patients at this time.
Does Dr. Syed Ismail Thiwan offer online booking?
Please contact Dr. Thiwan's office at (757) 466-0165 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Syed Ismail Thiwan?
Please contact Dr. Thiwan's office at (757) 466-0165 for information regarding telehealth appointment availability or for scheduling assistance.
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