Nsihi-Kawaguchi Internal Medecins and GI Endoscopy Clinic

Comprehensive Digestive Health Care with Advanced Endoscopy in Saitama, Japan

Located just steps from JR Nishikawaguchi Station, our clinic offers expert medical care in general internal medicine and gastroenterology. With state-of-the-art FUJIFILM endoscopy systems and over 20 years of clinical experience, we provide accurate, safe, and comfortable diagnosis and treatment for a wide range of digestive diseases.

Our Mission

We are committed to promoting long-term health through early detection, expert care, and patient-centered service. Whether you are dealing with digestive symptoms or managing chronic conditions, we aim to be your trusted healthcare provider.

Meet Our Director

Dr. Hiroki Yuhara, M.D., M.P.H.

Board-certified in Internal Medicine, Gastroenterology, Endoscopy, and Hepatology

• Graduated from Hokkaido University School of Medicine (2001)
• Master of Public Health, UC Berkeley (2009)
• 20+ years of experience in hospitals across Japan and overseas
• Specialist in early detection and endoscopic treatment of gastric, colorectal, and esophageal cancers

Why Choose Us?

1. Expert-Led Endoscopy
   All procedures are performed by a board-certified gastroenterologist with over 19 years of experience, including international training and visiting physician appointments in China.
2. Painless Endoscopy with Sedation
   We prioritize patient comfort with optional sedation during upper GI endoscopy and colonoscopy.
3. Private Bowel Prep Room
   A dedicated space for patients to prepare for colonoscopy in a comfortable and private setting.
4. Flexible Scheduling
   Endoscopy appointments available on early mornings, Saturdays, Sundays, and holidays for your convenience.
5. Same-Day Polyp Removal
   Polyps discovered during colonoscopy can often be safely removed on the same day.
6. Advanced Equipment
   We use the latest FUJIFILM endoscopy systems with AI-assisted technology for high-definition imaging and precise diagnosis.
7. Same-Day Upper & Lower Endoscopy
   Depending on your symptoms and condition, you may undergo both gastroscopy and colonoscopy in one visit.
8. Comprehensive Internal Medicine
   We treat a wide range of common illnesses, including:
   ・GERD / acid reflux
   ・Irritable Bowel Syndrome (IBS)
   ・Ulcerative Colitis
   ・Liver, gallbladder, and pancreatic disorders
   ・Diabetes, high blood pressure, and high cholesterol
   ・COVID-19 and influenza
   ・Constipation, diarrhea, and abdominal pain
   ・Abnormal results from health checkups

Clinic Information

Address

5th Floor, JR Nishikawaguchi Station Building (Beans Nishikawaguchi)
2-20-1 Namiki, Kawaguchi City, Saitama 332-0034, Japan

Medical Hours

Access

We are conveniently located inside JR Nishikawaguchi Station, making our clinic easily accessible by train.

Tokyo Sta. → Nishi-Kawaguchi Sta. — 31 min (JR Keihin-Tohoku Line)
Shinjuku Station →Nishi-Kawaguchi Sta. — 25 min (JR Line)

If you are experiencing digestive symptoms or looking for expert internal medicine care in the Kawaguchi or Tokyo area, contact us today for a consultation.
We welcome English-speaking patients and visitors from abroad.