Quick answers
- Which hospitals does James L. Joyner work at?
- Medicare's official clinician data lists James L. Joyner at 3 hospitals: Adventist Health Castle, Straub Clinic and Hospital and The Queens Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James L. Joyner see patients?
- Medicare's clinician data lists 4 practice locations, including Honolulu, HI, Kaneohe, HI and Kailua, HI. Call before your visit to confirm the address.
- What is James L. Joyner's specialty?
- Medicare lists Infectious Disease as the primary specialty, and also Internal Medicine.
- Does James L. Joyner accept Medicare assignment?
- Yes. Medicare's clinician data says James L. Joyner accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does James L. Joyner offer telehealth?
- Medicare's clinician data says James L. Joyner offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for James L. Joyner?
- (808) 538-9011, as listed in official Medicare / NPI Registry data.
- What is James L. Joyner's NPI number?
- 1184704355. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James L. Joyner works
Medicare's Facility Affiliation Data lists James L. Joyner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health CastleKailua, HI · Acute Care Hospital · CCN 120006
- Straub Clinic and HospitalHonolulu, HI · Acute Care Hospital · CCN 120022
- The Queens Medical CenterHonolulu, HI · Acute Care Hospital · CCN 120001
Practice locations
Addresses where James L. Joyner is enrolled with Medicare (CMS data updated 2026-10-02).
- 1301 Punchbowl StHonolulu, HI 96813 (808) 538‑9011
- 45-545 Kamehameha HwyKaneohe, HI 96744 (808) 247‑2220
- 500 Ala Moana Blvd Tower 5, Suite 300Honolulu, HI 96813 (808) 531‑7111
- 640 Ulukahiki StKailua, HI 96734 (808) 263‑5500
Specialties
- Infectious Diseaseprimary
- Internal Medicinealso
Other infectious disease doctors in Honolulu
Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Colorado School Of Medicine, Denver |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1184704355 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians