Quick answers
- Does Osato Ukponmwan accept Medicare assignment?
- Yes. Medicare's clinician data says Osato Ukponmwan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Osato Ukponmwan's NPI number?
- 1922637123. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Osato Ukponmwan works
Medicare's Facility Affiliation Data lists Osato Ukponmwan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Hilo Benioff Medical CenterHilo, HI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 120005
Practice locations
Addresses where Osato Ukponmwan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1190 Waianuenue AveHilo, HI 96720 (808) 932‑3000
Group practices
Medicare enrollment lists Osato Ukponmwan as a member of these groups (CMS data updated October 2, 2026).
- Kau Hospital140 clinicians in the group
- Hilo Benioff Medical Center129 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in Hawaii
Clinicians with the same Medicare primary specialty in Hawaii — not a recommendation.
Other clinicians in Kau Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922637123 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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