Quick answers
- Which hospitals does Kenji Oyasu work at?
- Medicare's official clinician data lists Kenji Oyasu at 2 hospitals: Naples Community Hospital and Vista Medical Center East. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Kenji Oyasu see patients?
- Medicare's clinician data lists 4 practice locations, including Lindenhurst, IL, Waukegan, IL and Naples, FL. Call before your visit to confirm the address.
- What is Kenji Oyasu's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Kenji Oyasu accept Medicare assignment?
- Yes. Medicare's clinician data says Kenji Oyasu 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 Kenji Oyasu?
- (847) 256-4777, as listed in official Medicare / NPI Registry data.
- What is Kenji Oyasu's NPI number?
- 1487768552. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kenji Oyasu works
Medicare's Facility Affiliation Data lists Kenji Oyasu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Naples Community HospitalNaples, FL · Acute Care Hospital · CCN 100018
- Vista Medical Center EastWaukegan, IL · Acute Care Hospital · CCN 140084
Practice locations
Addresses where Kenji Oyasu is enrolled with Medicare (CMS data updated 2026-10-02).
- 1050 Red Oak LnLindenhurst, IL 60046 (847) 256‑4777
- 1324 N Sheridan RdWaukegan, IL 60085 (847) 360‑3000
- 350 7th St NNaples, FL 34102 (239) 436‑5000
- 6600 Cow Pen Rd, Suite 205Miami Lakes, FL 33014 (786) 985‑3895
Group practices
Medicare enrollment lists Kenji Oyasu as a member of these groups (CMS data updated 2026-10-02).
- Vital Health Partners LLC81 clinicians in the group
- Waukegan Clinic Corp56 clinicians in the group
- Southwest Florida Emergency Management LLC42 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Lindenhurst
Clinicians with the same Medicare primary specialty in Lindenhurst, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487768552 |
| 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