Summary

Dr. William Loui treats breast cancer and Paget disease of the breast. He has practiced oncology and internal medicine for 37 years and speaks English and Tagalog. Dr. Loui earned his medical degree from the University of Hawaii at Manoa and sees patients in Kailua, Hawaii. He is affiliated with Pali Momi Medical Center, Adventist Health Castle, and The Queens Medical Center West Oahu.

Overview based on verified provider data

Quick Facts

  • 2.9
  • 37 years of experience
  • speaks English, Tagalog
  • University Of Hawaii At Manoa
  • 3 written reviews
  • 2 specialties
  • 18 areas of expertise
  • 3 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. William S Loui has 3 locations

Adventist Health Castle

640 Ulukahiki StKailua, HI 96734

Adventist Health Castle Oncology Care

642 Ulukahiki St Ste 300Kailua, HI 96734
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

Adventist Health Castle

642 Ulukahiki St Ste 103Kailua, HI 96734
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Compare with Similar Doctors

Dr. William S Loui, MD
Dr. Masayuki Nogi, MD
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Dr. William S Loui, MDDr. Masayuki Nogi, MDDr. Angelina Ayako Narashima, MDDr. Christopher Andrew Fiack, MD
OncologyHospital MedicineCritical Care MedicineCritical Care Medicine
Accepts New Patients
2.9 
0 
4.5 
5 
37 Years of Experience 20 Years of Experience 18 Years of Experience 25 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Tagalog
Kailua , HIHonolulu , HIHonolulu , HIHonolulu , HI
Med School: University Of Hawaii At Manoa Med School: Kyoto Prefectural University Of Medicine Med School: University Of Hawaii At Manoa Med School: The Robert Larner Md College Of Medicine At The University Of Vermont
Current Profile
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Insurance Plans Accepted by Dr. William S Loui

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

Medical Specialties

Dr. William S Loui has the following 2 specialties

Specialty Expertise

Dr. William S Loui has the following 18 areas of expertise

  • Acute Myeloid Leukemia
  • Adult T-Cell Leukemia-Lymphoma
  • Blood Cancer
  • Bone Marrow Transplant
  • Cancer
  • Chemotherapy
  • Chronic B-Cell Lymphocytic Leukemia
  • Chronic Myeloid Leukemia
  • Clinical Research
  • Deep Vein Thrombosis
  • Epidemiology
  • Hepatitis C
  • Hodgkin's Lymphoma
  • Internal Medicine
  • Leukemia
  • Lymphoma
  • Myelofibrosis
  • Myeloma

Certifications, License, & Education

37 Years Experience

Dr. William S Loui 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 University Of Hawaii At Manoa in 1989.

NPI Number

Dr. Loui's NPI number is 1346217718.

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Frequently Asked Questions

Where is Dr. William Loui's office located?
Dr. William Loui's office is located at 640 Ulukahiki St, Kailua, HI, 96734.
Which hospitals is Dr. William Loui affiliated with?
Dr. William Loui is affiliated with Pali Momi Medical Center, Adventist Health Castle, and The Queens Medical Center West Oahu.
Does Dr. William Loui accept virtual/telehealth appointments?
Dr. William Loui has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. William Loui accepting new patients?
Dr. William Loui has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. William Loui accept my insurance?
You can see the insurance plans that Dr. William Loui accepts on their Vitals profile.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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