Name: Dr. Joon Mo Myung

Specialty: Gastroenterology

Qualification / Board Certification: MD — Board Certified by the American Board of Internal Medicine

Affiliation(s): Independent / Private Practice — Flushing, NY

Locations (City/State): Flushing, NY

Languages Spoken: English, Korean, Portuguese, Spanish

Accepting New Patients: Yes

NPI Number: 1265598759

About the Doctor

Dr. Joon Mo Myung, MD is a board-certified Gastroenterologist with a distinguished international medical background, currently serving patients in Flushing, New York. He received his medical training at two respected Brazilian institutions — the University of São Paulo / Faculty of Medicine Ribeirão Preto and the Faculdade de Ciências Médicas da Santa Casa de São Paulo (FCMSCSP) — before completing his residency at the highly regarded Baylor College of Medicine Program in Houston, Texas. This combination of international education and American postgraduate training gives Dr. Myung a broad, globally informed clinical perspective.

Dr. Myung holds board certification from the American Board of Internal Medicine, affirming his expertise in gastroenterology and digestive health. His practice focuses on diagnosing and managing a wide spectrum of gastrointestinal conditions, from common digestive complaints such as indigestion, abdominal pain, and hemorrhoids to more serious concerns such as colon polyps, cancer screening, and chronic digestive disease. He performs essential endoscopic procedures including colonoscopy, upper endoscopy, and endoscopy with biopsy, providing both diagnostic and therapeutic interventions for his patients.

One of Dr. Myung’s most notable strengths is his multilingual capability. Fluent in English, Korean, Portuguese, and Spanish, he is uniquely equipped to serve Flushing’s richly diverse international community, ensuring that patients can communicate their concerns comfortably in their native language. He is currently welcoming new patients at his Flushing clinic.

Highlights at a glance:

• Board Certified by the American Board of Internal Medicine
• Fluent in four languages: English, Korean, Portuguese, and Spanish
• International medical training — Brazil and the United States
• Residency completed at Baylor College of Medicine
• Specializes in colonoscopy, endoscopy, and digestive disease management
• Currently accepting new patients in Flushing, NY
• Accepts Medicare, UnitedHealthcare, and other major insurance plans

Education & Training

Dr. Myung’s academic background reflects a strong foundation in international medical education combined with elite American postgraduate clinical training:

Medical School: Faculdade de Ciências Médicas da Santa Casa de São Paulo (FCMSCSP) — São Paulo, Brazil (MD Degree)

Additional Medical Training: University of São Paulo / Faculty of Medicine Ribeirão Preto — São Paulo, Brazil

Residency: Baylor College of Medicine Program — Houston, TX (Internal Medicine / Gastroenterology)

Board Certification: American Board of Internal Medicine (ABIM) — Active Certification

Medical Conditions Treated

As a Gastroenterologist, Dr. Myung diagnoses, treats, and manages a comprehensive range of digestive and gastrointestinal conditions, including:

• Abdominal Pain & Cramping
• Indigestion & Chronic Heartburn (GERD)
• Hemorrhoids (Internal & External)
• Colon Polyps & Polyp Surveillance
• Colorectal Cancer Screening & Early Detection
• Digestive Disease & Gastrointestinal Disorders
• Irritable Bowel Syndrome (IBS)
• Inflammatory Bowel Disease (IBD) — Crohn’s Disease & Ulcerative Colitis
• Peptic Ulcers & Stomach Ulcers
• Liver Disease & Abnormal Liver Function
• Gallbladder Disorders
• Celiac Disease & Gluten Sensitivity
• Bloating, Gas & Chronic Nausea
• Diarrhea & Constipation (Chronic & Acute)
• Jaundice & Bile Duct Disorders
• Esophageal Disorders & Swallowing Difficulties

Medical Procedures Performed

Dr. Myung performs a variety of diagnostic and therapeutic gastrointestinal procedures, with particular expertise in endoscopic techniques:

• Colonoscopy (Diagnostic & Screening)
• Upper Endoscopy (Esophagogastroduodenoscopy / EGD)
• Endoscopy with Biopsy (Tissue Sampling for Diagnosis)
• Colon Cancer Screening Procedures
• Polyp Detection & Removal (Polypectomy)
• Hemorrhoid Evaluation & Banding
• Diagnostic Imaging Interpretation (GI-related)
• Abdominal Examination & Symptom Workup
• Gastrointestinal Bleeding Evaluation
• H. Pylori Testing & Treatment Planning
• Referral-Based Procedures for Liver & Pancreatic Conditions

Services Offered

Dr. Myung’s gastroenterology practice provides a comprehensive range of digestive health services, combining advanced endoscopic procedures with ongoing chronic disease management and preventive GI care. His multilingual team ensures that all patients — regardless of their language background — receive clear, compassionate communication throughout their care.

Colorectal Cancer Screening & Prevention Dr. Myung places strong emphasis on early detection and prevention of colorectal cancer, one of the most preventable cancers when identified early. He performs routine colonoscopies and colon screenings in accordance with national guidelines, and counsels patients on risk factors, surveillance intervals, and lifestyle modifications to reduce their risk.

• Screening colonoscopies for patients aged 45 and older
• High-risk surveillance colonoscopies for patients with polyp history
• Colon polyp detection and removal during the same procedure
• Patient education on colorectal cancer prevention

Diagnostic Endoscopy Services Using state-of-the-art endoscopic technology, Dr. Myung examines the upper and lower gastrointestinal tract to identify the source of symptoms such as chronic pain, bleeding, nausea, and difficulty swallowing. Biopsies can be taken during the same session for accurate tissue diagnosis.

• Upper endoscopy (EGD) for stomach, esophagus, and small intestine
• Colonoscopy for colon and rectum examination
• Endoscopy with biopsy for tissue analysis and pathology
• Gastrointestinal bleeding investigation and management

Chronic Digestive Disease Management For patients living with long-term gastrointestinal conditions, Dr. Myung provides ongoing monitoring, medication management, and tailored treatment plans. He works closely with patients to minimize flare-ups and maintain quality of life.

• IBS diagnosis, management, and dietary counseling
• IBD monitoring including Crohn’s disease and ulcerative colitis
• GERD and acid reflux management and treatment
• Chronic constipation and diarrhea evaluation and care

Hemorrhoid Evaluation & Treatment Dr. Myung offers evaluation and non-surgical management for hemorrhoids, a common condition often underreported by patients. He provides a discreet, professional, and thorough assessment and develops individualized treatment approaches.

• Internal and external hemorrhoid diagnosis
• Non-surgical treatment options and lifestyle counseling
• Referral for procedural intervention when necessary

Multilingual Patient Care Dr. Myung and his clinical team provide consultations and patient education in English, Korean, Portuguese, and Spanish — a significant advantage for patients in Flushing’s diverse immigrant communities who prefer to communicate in their native language.

• Consultations available in English, Korean, Portuguese, and Spanish
• Culturally sensitive care tailored to diverse patient backgrounds
• Patient education materials and instructions in preferred language

Telehealth & Appointment Scheduling Patients interested in telehealth consultations or online appointment booking are encouraged to contact Dr. Myung’s office directly at (718) 445-0200 to confirm availability and scheduling options.

Accepted Insurances

Dr. Myung accepts most major insurance plans. Patients should contact the office at (718) 445-0200 prior to scheduling to verify their specific plan and network coverage. Accepted insurance carriers include:

• Medicare
• UnitedHealthcare
• CVS Health (formerly Aetna)
• Express Scripts
• Department of Defense / Tricare
• Southeastern Health
• All Other Major Third Party Insurance Plans

Practice Locations

Location 1 — Primary Office Address: 15408 Northern Blvd, Suite 2K, Flushing, NY 11354

Phone: (718) 445-0200

Hospital Affiliations

Specific hospital affiliations are not publicly listed for Dr. Myung at this time. He is not currently affiliated with a Castle Connolly Top Hospital. Patients seeking information about hospital privileges or referral networks are encouraged to contact his office directly. Major hospitals serving the Flushing, NY area where gastroenterologists commonly practice include:

• Flushing Hospital Medical Center — Flushing, NY
• NewYork-Presbyterian Queens — Flushing, NY
• Jamaica Hospital Medical Center — Jamaica, NY
• Mount Sinai Queens — Astoria, NY