Contact Us

Write or Call Us

The main address and phone number for Castle Medical Center are:

Castle Medical Center
640 ‘Ulukahiki Street
Kailua, Hawai‘i 96734

Phone: (808) 263-5500

For addresses and phone numbers for most hospital departments, please click here.

For Medical Records

Because of privacy issues, we cannot honor requests for medical records by e-mail. If you need access to your medical records, please click here to see how you can view them on-line, or click here for complete instructions on how to obtain copies of them.

For Billing Issues

Similarly, we cannot answer billing inquiries by e-mail. If you have a billing inquiry, please call Patient Financial Services at (808) 263-5132 for assistance.

If you would like to pay your hospital bill on-line, please click here.

E-Mail Us

You can e-mail us at Your e-mail message will be read by our Call Center, which is open from 8:30 a.m. to 5 p.m., Monday through Thursday, and from 8:30 a.m. to 4:30 p.m. on Fridays. (It is closed on holidays.) After reading your message, the Call Center will then forward it on to the appropriate department or persons in the hospital.

Visit Us

For hospital visiting hours and for the office hours of most hospital departments, please click here.

For directions to Castle Medical Center, to the Harry and Jeanette Weinberg Medical Plaza and Wellness Center, and to Castle Professional Center, please click here.