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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Kosuke Tokunaga:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Kosuke Tokunaga is Excellent. Dr. Tokunaga has been reviewed by 6 patients who have provided 2 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 4.7
Spends Time with Me 4.7
Follows Up After Visit 4.6

Specialties & Research

Dr. Kosuke Tokunaga, MD is board certified in Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Tokunaga graduated from Creighton University, Omaha. He has 2 awards.

Patients' Choice Award (2011, 2013)
Compassionate Doctor Recognition (2013 - 2014)


Dr. Tokunaga has 2 hospital affiliations:

  • Fremont Medical Center 
  • Rideout Memorial Hospital 


  • Japanese

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Additional Information
Dr. Kosuke Tokunaga MD is a male Internist, has 24 years of experience and practices in Gastroenterology.
Where does Dr. Kosuke Tokunaga practice?
Dr. Kosuke Tokunaga has 1 office location.
Dr. Kosuke Tokunaga practices Gastroenterology near Yuba City, CA.
See Yuba City Gastroenterologists.