Summary

Dr. Tuanh Tonnu is a gastroenterologist and internal medicine physician with 36 years of experience treating patients. She earned her medical degree from the University of Maryland School of Medicine and completed her residency at George Washington University Hospital. Her dual specialization allows her to provide comprehensive digestive health care alongside general internal medicine services. Dr. Tonnu is fluent in English and Vietnamese.

Dr. Tonnu practices at Adventist Healthcare Shady Grove Medical Center and maintains offices in Gaithersburg and Rockville, Maryland. She specializes in treating conditions such as type 2 diabetes and high blood pressure. Her procedural expertise includes performing colonoscopies, lower gastrointestinal endoscopy, and laparoscopic procedures. Patients have given her an average rating of 3.4 out of 5 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.4
  • 36 years of experience
  • 40 insurance plans accepted
  • speaks English, Vietnamese
  • George Washington University Hospital
  • 12 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 5 office locations
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Tuanh Tonnu has 5 locations

Tonnu Tuanh Office

9057 Shady Grove CtGaithersburg, MD 20877
Mon8:30 am - 4:30 pm
Tue8:30 am - 4:30 pm
Wed8:30 am - 4:30 pm
Thu8:30 am - 4:30 pm
Fri8:30 am - 4:30 pm
SatClosed
SunClosed

Advanced Surgery Center

10110 Molecular Dr Ste 100Rockville, MD 20850
Mon7:30 am - 5:00 pm
Tue7:30 am - 5:00 pm
Wed7:30 am - 5:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 5:00 pm
SatClosed
SunClosed

Advanced Surgery Center

10110 Molecular DrRockville, MD 20850
Mon7:30 am - 5:00 pm
Tue7:30 am - 5:00 pm
Wed7:30 am - 5:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 5:00 pm
SatClosed
SunClosed

Adventist Rehabilitation White Oak

11890 Healing WaySilver Spring, MD 20904

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Dr. Tuanh Tonnu, MD
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Dr. Tuanh Tonnu, MDBilal Ali, MDShandiz Shahbazi, MDPaolo Lino Peghini, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.4 
4.7 
4.5 
4.5 
36 Years of Experience 21 Years of Experience 8 Years of Experience 37 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Vietnamese Speaks English Speaks English, Farsi Speaks English, French, German, Italian, Spanish
Gaithersburg , MDMcLean , VAMcLean , VAMcLean , VA
Med School: University Of Maryland School Of Medicine Med School: King Edward Medical College Med School: Virginia Commonwealth University Med School: Universitat Zurich
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Tuanh Tonnu

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • Aetna - PPO
  • AmeriGroup
  • AmeriGroup - Medicaid (Managed)
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - Federal Employees Program
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - Federal Employees Program
  • CareFirst Blue Cross Blue Shield - Medicare (Advantage HMO)
  • CareFirst Blue Cross Blue Shield - PPO
  • CareFirst BlueCross BlueShield
  • CareFirst BlueCross BlueShield - Medicaid (Managed)
  • CareSource
  • Cigna
  • Cigna - PPO
  • Golden Rule
  • HealthFirst (NY)
  • Johns Hopkins Employer Health Programs
  • Maryland Physicians Care
  • Maryland Physicians Care - Medicaid (Managed)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Priority Partners
  • Riverside Health
  • Riverside Health - Medicaid (Managed)
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare - PPO
  • UnitedHealthcare Community Plan
  • UnitedHealthOne

Medical Specialties

Dr. Tuanh Tonnu has the following 2 specialties

Specialty Expertise

Dr. Tuanh Tonnu has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

36 Years Experience

Dr. Tuanh Tonnu holds an active medical license in the state of Maryland.

Medical License

Medical Doctor with an active medical license in the state of Maryland that expires in 2027.

Education & Training

Residency

Completed their residency at George Washington University Hospital.

Medical School

Graduated from University Of Maryland School Of Medicine in 1990.

NPI Number

Dr. Tonnu's NPI number is 1083723878.

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Frequently Asked Questions

Does Dr. Tuanh Tonnu accept virtual/telehealth appointments?
Dr. Tuanh Tonnu has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Tuanh Tonnu's office located?
Dr. Tuanh Tonnu's office is located at 9057 Shady Grove Ct, Gaithersburg, MD, 20877.
How can I make an appointment with Dr. Tuanh Tonnu?
You can find contact information for Dr. Tuanh Tonnu here on Vitals.
What languages does Dr. Tuanh Tonnu speak?
Dr. Tuanh Tonnu speaks English and Vietnamese.
Which hospitals is Dr. Tuanh Tonnu affiliated with?
Dr. Tuanh Tonnu is affiliated with Adventist Healthcare Shady Grove Medical Center.

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