Summary

Dr. Stephen Oishi is an internal medicine physician who earned his medical degree from Georgetown University School of Medicine. With 42 years of experience in practice, he brings extensive knowledge to caring for adult patients with complex medical conditions. Dr. Oishi speaks English and serves patients throughout the Honolulu area.

Dr. Oishi is affiliated with several major medical centers in Honolulu, including Kuakini Medical Center, The Queens Medical Center, and Straub Benioff Medical Center. He focuses on treating patients with chronic kidney disease and type 2 diabetes, conditions that require ongoing monitoring and specialized care. His approach includes coordinating physical therapy, strength training, and manual therapy to help patients maintain their health and mobility. Patients have given him an average rating of 3.7 on Vitals.

Overview based on verified provider data

Quick Facts

  • 3.7
  • 42 years of experience
  • speaks English
  • Georgetown University School Of Medicine
  • 2 written reviews
  • 2 specialties
  • 8 areas of expertise
  • 3 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. Stephen Masato Oishi has 4 locations

The Queens Medical Center

1301 Punchbowl StHonolulu, HI 96813

Kuakini Medical Center

347 N Kuakini StHonolulu, HI 96817

Straub Medical Center

888 S King StHonolulu, HI 96813

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Dr. Stephen Masato Oishi, MDDr. Adewumi Bakare DMSc, PA-CDr. Kimberly R TheosDr. Jennifer Malia Akemi Kaya, MD
Internal MedicineInternal MedicineHospital MedicineCritical Care Medicine
Accepts New Patients
3.7 
2.3 
42 Years of Experience 13 Years of Experience 18 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin) Speaks English
Honolulu , HIMesquite , TXHonolulu , HIHonolulu , HI
Med School: Georgetown University School Of Medicine Med School: University of Lynchburg - DMSc Med School: A T Still University College Of Osteopathic Medicine Med School: University Of Hawaii At Manoa
Current Profile
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Insurance Plans Accepted by Dr. Stephen Masato Oishi

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Stephen Masato Oishi has the following 2 specialties

Specialty Expertise

Dr. Stephen Masato Oishi has the following 8 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Other
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

42 Years Experience

Dr. Stephen Masato Oishi holds an expired medical license in the state of Hawaii.

Medical License

Medical Doctor with an expired medical license in the state of Hawaii that expired in 2026.

Education & Training

Medical School

Graduated from Georgetown University School Of Medicine in 1984.

NPI Number

Dr. Oishi's NPI number is 1194813832.

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Frequently Asked Questions

What languages does Dr. Stephen Oishi speak?
Dr. Stephen Oishi speaks English.
Is Dr. Stephen Oishi accepting new patients?
Dr. Stephen Oishi has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Stephen Oishi?
You can find contact information for Dr. Stephen Oishi here on Vitals.
Where is Dr. Stephen Oishi's office located?
Dr. Stephen Oishi's office is located at 405 N Kuakini St Ste 601, Honolulu, HI, 96817.
Does Dr. Stephen Oishi accept virtual/telehealth appointments?
Dr. Stephen Oishi has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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