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29 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Tonnu, Gastroenterologist in Gaithersburg, MD?
Dr. Tuanh Tonnu, MD is a Gastroenterologist, who primarily practices in Gaithersburg, MD with 1 additional practice location. She has been practicing for over 29 years. Dr. Tonnu graduated from University of Maryland School of Medicine and completed her residency at Geo Washington Univ Sch Med, Gastroenterology; Geo Washington Univ Hosp, Internal Medicine. Dr. Tonnu is fluent in English and Vietnamese, and is currently seeing new patients. Dr. Tonnu’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tonnu’s office at (301) 721-1614.
Where did Dr. Tonnu go to medical school and complete their residency?
Residency: Geo Washington Univ Sch Med, Gastroenterology; Geo Washington Univ Hosp, Internal Medicine | George Washington University Program A
Medical School: University of Md Sch of Med, Baltimore Md | University of Maryland School of Medicine
What languages does Dr. Tonnu speak?
Dr. Tonnu and their clinical team can communicate with patients in the following languages:
English
Vietnamese
What conditions does a Gastroenterologist like Dr. Tonnu typically treat?
As a Gastroenterologist, Dr. Tonnu 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. Tonnu. 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:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Also known as:
- Adult Health Checkup with Abnormal Findings
- Health Checkup
- Adult Physical Exam with Issues
- Routine Checkup with Concerns
- General Medical Exam with Abnormal Results
ICD-10 Codes:
- Z0001: Encounter for general adult medical examination with abnormal findings
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
What procedures does a Gastroenterologist like Dr. Tonnu typically perform?
As a Gastroenterologist, Dr. Tonnu 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. Tonnu. 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 Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 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)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
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
Does Dr. Tonnu accept my insurance?
Dr. Tonnu accepts most major insurance plans. Important: Please call our office at (301) 721-1614 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Tonnu accept in Gaithersburg, MD?
Dr. Tonnu in Gaithersburg, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Commercial
Cigna Group
CVS Health (formerly Aetna)
Federal government of the United States
Hennepin County
Medicare
Riverside Health
State of Maryland
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Tonnu's office located?
Dr. Tuanh Tonnu's Primary Practice
9057 Shady Grove Ct
Gaithersburg, MD 20877
(301) 721-1614
What is Dr. Tonnu's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Tonnu's National Provider Identifier (NPI) number is 1083723878.
What common questions do patients ask about Dr. Tonnu?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tonnu
What is Dr. Tuanh Tonnu's specialty?
Dr. Tonnu is a Gastroenterologist near Gaithersburg, MD.
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. Tuanh Tonnu affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Tonnu is affiliated with Adventist Healthcare Shady Grove Medical Center, Frederick Health 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 Tuanh Tonnu accepting new patients in Gaithersburg, MD?
Yes, Dr. Tuanh Tonnu is accepting new patients at this time.
Does Dr. Tuanh Tonnu offer online booking?
Please contact Dr. Tonnu's office at (301) 721-1614 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Tuanh Tonnu?
Please contact Dr. Tonnu's office at (301) 721-1614 for information regarding telehealth appointment availability or for scheduling assistance.
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