Quick answers
- Which hospitals does Ryan H. Nakasone work at?
- Medicare's official clinician data lists Ryan H. Nakasone at 1 hospital: St Johns Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan H. Nakasone see patients?
- Medicare's clinician data lists 1 practice location in Oxnard, CA. Call before your visit to confirm the address.
- What is Ryan H. Nakasone's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Ryan H. Nakasone accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan H. Nakasone 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 Ryan H. Nakasone?
- (805) 983-0425, as listed in official Medicare / NPI Registry data.
- What is Ryan H. Nakasone's NPI number?
- 1043207459. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan H. Nakasone works
Medicare's Facility Affiliation Data lists Ryan H. Nakasone at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Johns Regional Medical CenterOxnard, CA · Acute Care Hospital · CCN 050082
Practice locations
Addresses where Ryan H. Nakasone is enrolled with Medicare (CMS data updated 2026-10-02).
- 1901 Outlet Ctr Dr, Suite 210Oxnard, CA 93036 (805) 983‑0425
Group practices
Medicare enrollment lists Ryan H. Nakasone as a member of these groups (CMS data updated 2026-10-02).
- Link Neuroscience Institute PC16 clinicians in the group
- Link In-Patient Services PC12 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Oxnard
Clinicians with the same Medicare primary specialty in Oxnard, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Medical school | Stanford University School Of Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043207459 |
| 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