Summary

Dr. Phillip Kiyasu specializes in gastroenterology and internal medicine, bringing nearly four decades of medical expertise to his practice. He earned his medical degree from Tulane University School of Medicine and has dedicated 39 years to caring for patients with digestive and internal health concerns. Dr. Kiyasu is fluent in English.

Dr. Kiyasu practices at The Oregon Clinic in Portland and maintains his hospital affiliation with Providence Milwaukie Hospital. He focuses on treating patients with colon polyps, changes in bowel habits, and abdominal pain. His procedural expertise includes performing pathology tests, kidney transplant biopsies, and nerve biopsies. Patients rate Dr. Kiyasu 4.4 out of 5 stars on average for his care.

Overview based on verified provider data

Quick Facts

  • 4.4
  • 39 years of experience
  • 22 insurance plans accepted
  • speaks English
  • Tulane University School Of Medicine
  • 8 written reviews
  • 2 specialties
  • 14 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Phillip Kunisada Kiyasu has 2 locations

The Oregon Clinic

1111 NE 99TH AVE STE 302PORTLAND, OR 97220

The Oregon Clinic

541 Ne 20th Ave Ste 225Portland, OR 97232
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Phillip Kunisada Kiyasu, MDDr. Vibha Nagendra HegdeDr. Christina Mehanni, MDVictoria Lynn Keyton
GastroenterologyInternal MedicineNephrologyNurse Practitioner
Accepts New Patients
4.4 
39 Years of Experience 15 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English, Spanish
PORTLAND , ORPortland , ORTualatin , ORBeaverton , OR
Med School: Tulane University School Of Medicine Med School: Ross University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Phillip Kunisada Kiyasu

  • Aetna
  • Blue Cross Blue Shield
  • CareOregon
  • CareOregon - HMO
  • CareOregon - Medicaid
  • Cigna
  • Contra Costa Health Plan
  • First Choice Health
  • Kaiser Permanente
  • Medicaid - Medicaid
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Moda Health
  • Moda Health - EPO
  • Molina Healthcare
  • PacificSource Health Plans
  • PacificSource Health Plans - Medicaid (Managed)
  • Providence Health Plans
  • Regence BlueCross BlueShield of Oregon
  • UnitedHealthcare
  • UnitedHealthcare - Medicare

Medical Specialties

Dr. Phillip Kunisada Kiyasu has the following 2 specialties

Specialty Expertise

Dr. Phillip Kunisada Kiyasu has the following 14 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Capsule Endoscopy
  • Celiac Disease
  • Colon Cancer
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

39 Years Experience

Dr. Phillip Kunisada Kiyasu holds an expired medical license in the state of Oregon.

Medical License

Medical Doctor with an expired medical license in the state of Oregon that expired in 2025.

Education & Training

Medical School

Graduated from Tulane University School Of Medicine in 1987.

NPI Number

Dr. Kiyasu's NPI number is 1124010673.

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Frequently Asked Questions

How can I make an appointment with Dr. Phillip Kiyasu?
You can find contact information for Dr. Phillip Kiyasu here on Vitals.
Is Dr. Phillip Kiyasu accepting new patients?
Dr. Phillip Kiyasu has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Phillip Kiyasu speak?
Dr. Phillip Kiyasu speaks English.
Does Dr. Phillip Kiyasu accept virtual/telehealth appointments?
Dr. Phillip Kiyasu has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Phillip Kiyasu accept my insurance?
You can see the insurance plans that Dr. Phillip Kiyasu accepts on their Vitals profile.

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