Quick answers
- Does Marcel S. Okura accept Medicare assignment?
- Yes. Medicare's clinician data says Marcel S. Okura 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 Marcel S. Okura's NPI number?
- 1629606553. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marcel S. Okura works
Medicare's Facility Affiliation Data lists Marcel S. Okura 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.
- Clovis Community Medical CenterClovis, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050492
- Community Regional Medical CenterFresno, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050060
- Southwest Healthcare Rancho Springs HospitalMurrieta, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050701
Practice locations
Addresses where Marcel S. Okura is enrolled with Medicare (CMS data updated October 2, 2026).
- 25500 Medical Ctr DrMurrieta, CA 92562 (800) 926‑8273
- 2755 Herndon AveClovis, CA 93611 (559) 324‑4000
- 36485 Inland Valley DrWildomar, CA 92595 (858) 249‑6748
- 45 E River Park Pl W, Suite 104Fresno, CA 93720 (559) 320‑0530
- 45 E River Park Pl W, Suite 507Fresno, CA 93720
Group practices
Medicare enrollment lists Marcel S. Okura as a member of these groups (CMS data updated October 2, 2026).
- Regents of the University of California2,089 clinicians in the group
- Community Health Partners504 clinicians in the group
Specialties
Other internal medicine doctors in Murrieta
Clinicians with the same Medicare primary specialty in Murrieta, CA — not a recommendation.
Other clinicians in Regents of the University of California
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) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1629606553 |
| 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