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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 and is board certified. 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 Cigna, Medicare, UnitedHealthcare 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 Dr. Tonnu 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.
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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R1013: Epigastric pain
- R109: Unspecified abdominal pain
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:
- High Cholesterol
- Cholesterol
- Hypercholesterolemia
- High blood cholesterol
- Elevated cholesterol
ICD-10 Codes:
- E7800: Pure hypercholesterolemia, unspecified
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
Also known as:
- Family History of Digestive Organ Cancer
- Cancer
- Family History
- Genetic risk for gastrointestinal cancer
- Family history of GI cancer
- Hereditary digestive cancer
ICD-10 Codes:
- Z800: Family history of malignant neoplasm of digestive organs
Also known as:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
Also known as:
- H. Pylori Infection
- Helicobacter Pylori Infection
- Helicobacter pylori infection
- Stomach bacteria infection
- H. pylori bacteria
ICD-10 Codes:
- B9681: Helicobacter pylori [H. pylori] as the cause of diseases classified elsewhere
Also known as:
- Unexplained Weight Loss
- Involuntary Weight Loss
- Significant Weight Loss
- Unintentional Weight Loss
ICD-10 Codes:
- R634: Abnormal weight loss
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:
- Chronic Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Chronic gastritis
- Long-term stomach inflammation
- Persistent stomach lining inflammation
ICD-10 Codes:
- K2950: Unspecified chronic gastritis without bleeding
Also known as:
- Chronic Hepatitis B
- Hepatitis B
- Long-term Hepatitis B
- Persistent Hepatitis B
- Hep B
ICD-10 Codes:
- B181: Chronic viral hepatitis B without delta-agent
Also known as:
- High Blood Sugar
- Hyperglycemia
- Elevated Glucose
- Unspecified High Blood Sugar
ICD-10 Codes:
- R739: Hyperglycemia, unspecified
Also known as:
- Change in Bowel Habits
- Bowel Movement
- Altered Bowel Habits
- Irregular Bowel Movements
- Changes in Pooping
ICD-10 Codes:
- R194: Change in bowel habit
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
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
Which procedures does Dr. Tonnu perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Tuanh Tonnu may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Tonnu's office.
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
CVS Health (formerly Aetna)
Federal Employee Program
Hennepin Health Plan (MN)
Medicare
Riverside Health
State of Maryland
Trustmark Insurance Company
UnitedHealthcare
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. 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. Tonnu to book an appointment today.
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 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
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 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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