Quick answers
- Which hospitals does John M. Semenza work at?
- Medicare's official clinician data lists John M. Semenza at 1 hospital: The Queens Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John M. Semenza see patients?
- Medicare's clinician data lists 3 practice locations, including Honolulu, HI and Ewa Beach, HI. Call before your visit to confirm the address.
- What is John M. Semenza's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does John M. Semenza accept Medicare assignment?
- Yes. Medicare's clinician data says John M. Semenza 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.
- What is the phone number for John M. Semenza?
- (808) 531-1116, as listed in official Medicare / NPI Registry data.
- What is John M. Semenza's NPI number?
- 1598946444. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John M. Semenza works
Medicare's Facility Affiliation Data lists John M. Semenza at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- The Queens Medical CenterHonolulu, HI · Acute Care Hospital · CCN 120001
Practice locations
Addresses where John M. Semenza is enrolled with Medicare (CMS data updated 2026-10-02).
- 1301 Punchbowl StHonolulu, HI 96813 (808) 531‑1116
- 550 S Beretania St, Suite 701Honolulu, HI 96813 (808) 531‑1116
- 91 -2127 Fort Weaver RdEwa Beach, HI 96706 (808) 531‑1116
Group practices
Medicare enrollment lists John M. Semenza as a member of this group (CMS data updated 2026-10-02).
- Island Medical Consultants LLC18 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Honolulu
Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1972 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598946444 |
| 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