Dr. Bayartsetseg Gantulga

Dr. Bayartsetseg Gantulga is a senior physician at State Third Central Hospital in Ulaanbaatar, one of Mongolia's main public referral hospitals. With 14 years of internal medicine experience, she specializes in hepatology and infectious diseases — reflecting Mongolia's significant burden of hepatitis B and C, which drives one of the world's highest rates of liver cancer.

Dr. Bayartsetseg trained at the Health Sciences University of Mongolia before completing her specialist training in internal medicine. Mongolia has a very high prevalence of hepatitis B — estimated at over 10% of the population — and a correspondingly high burden of liver cirrhosis and hepatocellular carcinoma, making hepatology a critical clinical subspecialty.

She also manages the full range of general internal medicine conditions prevalent in Mongolia, including tuberculosis, diabetes, hypertension, and cardiovascular risk factors worsened by Mongolia's distinctive lifestyle factors including high meat consumption, extreme cold, and limited access to fresh produce in rural and semi-urban populations.

Dr. Bayartsetseg has participated in international hepatitis treatment programs supported by WHO and the Mongolian government's national hepatitis treatment initiative, which has expanded access to direct-acting antiviral therapy for hepatitis C.

Dr. Bayartsetseg earned her MD from the Health Sciences University of Mongolia. She completed her internal medicine residency and specialist training at State Third Central Hospital and holds Specialist certification in Internal Medicine.

She obtained a Certificate in Hepatology through training programs supported by international hepatology and gastroenterology associations, including programs in South Korea and Japan. Her Russian language proficiency reflects Mongolia's Soviet-era educational heritage, and she has participated in Russian medical education exchange programs.

Dr. Bayartsetseg's hepatology practice focuses on viral hepatitis (B and C), liver cirrhosis management including complications (ascites, variceal bleeding, hepatic encephalopathy), and early hepatocellular carcinoma surveillance. She coordinates antiviral therapy for hepatitis B and C and performs liver biopsy for disease staging.

In infectious diseases, she manages tuberculosis (pulmonary and extrapulmonary), brucellosis — common in Mongolia's pastoral population — and other endemic infections. General internal medicine covers diabetes mellitus, hypertension, chronic kidney disease, and thyroid disorders.

She performs diagnostic procedures including ascitic aspiration and drainage, diagnostic pleural tap, and lumbar puncture.

Dr. Bayartsetseg has contributed to the Mongolian Medical Journal and has participated in national hepatitis surveillance data collection and the Mongolian government's hepatitis elimination program. Her research interests include hepatitis B treatment outcomes in Mongolia and liver cirrhosis management in resource-limited settings.

She contributes to continuing medical education through the Mongolian Society of Internal Medicine.

Dr. Bayartsetseg sees patients at State Third Central Hospital and consults in Mongolian, Russian, and English. Mongolia attracts international medical tourists from Russia and China seeking specialist consultations in Ulaanbaatar, and she is accessible to these patients.

Video consultations are available for second opinions on hepatological conditions and general internal medicine case reviews.

Dr. Bayartsetseg has been recognized by State Third Central Hospital for contributions to internal medicine and hepatology. She participates in the Mongolian national hepatitis elimination program and contributes to continuing medical education for physicians managing liver disease in Mongolia.