Internal Medicine, Pediatrics, Gastroenterology, and Endoscopy Clinic in Sugamo

及川醫院 - Oikawa Clinic

Gastroenterology

If You Have Any of the Following Symptoms,
Please Visit Our Gastroenterology Department

腹痛

Abdominal Pain

胃痛

Stomach discomfort or pain

下痢・便秘

Diarrhea and Constipation

吐き気・嘔吐

Nausea and Vomiting

胸やけ・胃もたれ

Heartburn and Indigestion

食欲不振

Loss of Appetite

Services Offered by
the Gastroenterology Department

Common Conditions We Treat

  1. Esophageal Cancer
  2. Stomach Cancer
  3. Colon Cancer
  4. Colon Polyps
  5. Gastroesophageal Reflux Disease (GERD)
  6. Acute Gastroenteritis
  7. Acute Cholecystitis
  8. Cholecystitis
  9. Irritable Bowel Syndrome (IBS)
  10. Gastric and Duodenal Ulcers
  11. Fatty Liver
  12. Helicobacter Pylori Infection
  13. Viral Hepatitis
  14. Other conditions including recurrent cholecystitis

If you are experiencing any of the above symptoms or suspect any of these conditions, please visit Oikawa Clinic.

How Your Visit Will Go

1

受付手続き

Check-in

Please present your health insurance card or My Number card at the reception desk.
If you have an appointment, kindly inform the staff of your name and appointment time.

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2

待合室

Waiting Area

Please wait in the designated area until your name is called.
First-time patients will be asked to complete a medical questionnaire provided at reception

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3

診察・検査

Consultation & Examination

When you enter the consultation room, please share your symptoms in detail with the doctor. Our gastroenterology department is led by Dr. Kotaro Oikawa, the clinic director.
Depending on your symptoms, additional tests may be recommended.If necessary, we may schedule diagnostic procedures such as endoscopy based on your consultation.

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4

処方箋・お会計

Prescription & Payment

After your consultation, you will receive your prescription and proceed with payment at the reception desk.We accept cash and PayPay as payment options.

Payment Methods (Other than Cash)

Credit Cards

  • PayPayカード
  • VISA
  • Mastercard
  • Union Pay 銀聯
  • JCB
  • AMEX
  • Diners Club
  • Discover

Mobile Payments (QR Code Payments)

  • 電子マネー「PayPay（ペイペイ）」
  • 電子マネー「au Pay（エーユーペイ）」
  • 電子マネー「d払い（dポイント）」
  • 電子マネー「Jcoin Pay（J-Coinペイ）」
  • 電子マネー「M Pay（メルペイ）」
  • 電子マネー「R Pay（楽天ペイ）」
  • 電子マネー「Union Pay 銀聯 Pay（Union Pay 銀聯ペイ）」
  • 電子マネー「Alipay（アリペイ／支付宝）」
  • 電子マネー「Wechatpay（微信支付）」
  • 電子マネー「JKOPAY（街口支付）」

Clinic Hours & Days (Internal Medicine, Gastroenterology, Endoscopic Medicine)

Clinic Hours

Mon

Tue

Wed

Thu

Fri

Sat

Sun
Morning Hours:
9:00 AM – 12:30 PM

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Afternoon:
3:00 PM – 6:00 PM

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Gastroscopy & Colonoscopy

Available Days: Monday, Wednesday, Friday, Saturday, and Sunday
(Afternoon appointments only. Please contact us if you would like a same-day gastroscopy.)
※ Sunday appointments are available only on the 1st and 3rd Sundays of the month, by reservation.
Reception Hours

Morning: 8:50 AM – 12:20 PM
Afternoon: 2:50 PM – 5:50 PM
Closed Days

Tuesdays, Saturday afternoons, national holidays, Obon holidays, New Year holidays, and temporary closures.
Appointments

In some cases, we may be able to accommodate patients without an appointment. Please contact us by phone to inquire.