Dr. William Obana, M.D.

With 21 years of practice, Dr. William Obana is an established neurosurgery provider, M.D., after earning their medical degree at University Of California, San Francisco School Of Medicine in 1987. Dr. currently practices across 2 facilities, including Queens University Medical Group in Honolulu, Hawaii. Their National Provider Identifier (NPI) is 1497738686, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.

Dr. William Obana's practice is located in ZIP 96813 (Honolulu, Hawaii), which has an overall CartoChrome Healthcare Access Score of 62/100 (Moderate Access). Access to care in this area is moderate — most services are reachable but with meaningful variability by specialty.

CMS Medicare data shows Dr. William Obana as a lower-volume neurosurgery provider, treating approximately 109 Medicare beneficiaries and delivering 170 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.

Under the Physician Payments Sunshine Act, CMS reports that Dr. William Obana received $149 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.