Quick answers
- Which hospitals does Alpha Y. Riveral work at?
- Medicare's official clinician data lists Alpha Y. Riveral at 1 hospital: The Queens Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alpha Y. Riveral see patients?
- Medicare's clinician data lists 1 practice location in Kahului, HI. Call before your visit to confirm the address.
- What is Alpha Y. Riveral's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Alpha Y. Riveral accept Medicare assignment?
- Yes. Medicare's clinician data says Alpha Y. Riveral 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 Alpha Y. Riveral?
- (808) 878-1358, as listed in official Medicare / NPI Registry data.
- What is Alpha Y. Riveral's NPI number?
- 1154357515. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alpha Y. Riveral works
Medicare's Facility Affiliation Data lists Alpha Y. Riveral 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 Alpha Y. Riveral is enrolled with Medicare (CMS data updated 2026-10-02).
- 239 Hoohana StKahului, HI 96732 (808) 878‑1358
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Hawaii
Clinicians with the same Medicare primary specialty in Hawaii — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1983 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154357515 |
| 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