Occupational Medicine in Honolulu, Hawaii
Data updated monthly · Last refresh September 2026
8 Occupational Medicine providers practice in Honolulu. Listings are drawn from federal public records and are not endorsements.
Occupational Medicine providers in Honolulu
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Craig Castillo, M.D.Honolulu, HI · No drug or device payments recorded (2025) ·
(808) 593-0177 Dr. Eugenia Chan, M.D. M.P.H.Honolulu, HI · No drug or device payments recorded (2025) ·
(808) 352-7526 Dr. Gregory Raczniak, M.D., PH.D., M.PHILHonolulu, HI · No drug or device payments recorded (2025) ·
(808) 481-6678 Dr. Ivan Preis, M.D.Honolulu, HI · No drug or device payments recorded (2025) · Telehealth ·
(808) 971-6000 Dr. James Langworthy, MDHonolulu, HI · No drug or device payments recorded (2025) ·
(808) 593-0177 Dr. Michael Kusaka, M.D.Honolulu, HI · No drug or device payments recorded (2025) ·
(808) 522-4441 Dr. Ronald Gackle, MDHonolulu, HI · No drug or device payments recorded (2025) ·
(808) 432-2000 Dr. Vern Sasaki, MDHonolulu, HI · No drug or device payments recorded (2025) ·
(808) 591-0077 Common questions
How many Occupational Medicine providers are in Honolulu, Hawaii?There are 8 Occupational Medicine providers with active NPI records practicing in Honolulu, according to federal NPPES data refreshed monthly.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Honolulu Occupational Medicine across Hawaii
