Quick answers
- Which hospitals does Rey J. Rivera work at?
- Medicare's official clinician data lists Rey J. Rivera at 2 hospitals: McKenzie-Willamette Medical Center and Salem Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Rey J. Rivera see patients?
- Medicare's clinician data lists 2 practice locations, including Springfield, OR and Salem, OR. Call before your visit to confirm the address.
- What is Rey J. Rivera's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Rey J. Rivera accept Medicare assignment?
- Yes. Medicare's clinician data says Rey J. Rivera 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 Rey J. Rivera?
- (541) 726-4400, as listed in official Medicare / NPI Registry data.
- What is Rey J. Rivera's NPI number?
- 1508098286. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Rey J. Rivera works
Medicare's Facility Affiliation Data lists Rey J. Rivera at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- McKenzie-Willamette Medical CenterSpringfield, OR · Acute Care Hospital · CCN 380020
- Salem HospitalSalem, OR · Acute Care Hospital · CCN 380051
Practice locations
Addresses where Rey J. Rivera is enrolled with Medicare (CMS data updated 2026-10-02).
- 1460 G StSpringfield, OR 97477 (541) 726‑4400
- 3025 Ryan Dr SESalem, OR 97301 (503) 485‑0350
Group practices
Medicare enrollment lists Rey J. Rivera as a member of these groups (CMS data updated 2026-10-02).
- South Sound Inpatient Physicians PLLC422 clinicians in the group
- Oregon Oncology Specialists LLP41 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Springfield
Clinicians with the same Medicare primary specialty in Springfield, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Central Del Caribe Escuela De Medicina |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508098286 |
| 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