Some providers on our QHS Find-A-Doc site may not yet be listed as offering telehealth, but do in fact offer telehealth services. Also, due to the current COVID crisis, some providers may temporarily not be accepting new patients. If you see or identify with a particular provider please contact them directly to inquire about their current offerings.

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Medical Degree

John A Burns School Of Medicine - Hawaii


Columbia Presbyterian Medical Center
Internal Medicine


UC San Diego Medical Center
Hematology/Oncology Fellowship

Professional Credentials

American Board of Internal Medicine
American Board of Internal Medicine - Hematology Oncology
American Board of Internal Medicine - Hematology Oncology

Dr. Nicolas Alan Villanueva is a hematology and medical oncology specialist at The Queen’s Health Systems. He is a 2013 graduate of The University Of Hawaii John A. Burns School Of Medicine. His research interests are in lung cancer, particularly in non-smokers. He is trained to evaluate and treat a wide range of both solid and hematologic cancers, and benign hematologic conditions. Dr. Villanueva sees patients at The Queen’s Medical Center - West Oahu.


The Queen's Medical Center - West Oahu
Sullivan Care Center
91-2127 Fort Weaver Road
Ewa Beach, HI 96706-3609
Tel: (808) 691-3777
Fax: (808) 691-3790
321 North Kuakini Street
Suite 412
Honolulu, HI 96817
Tel: (808) 531-8521


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