Dr. Rey J. Rivera, M.D.
Infectious Disease (Infectious Disease Physician)
- Medicare participating
At a glance
- Medical school
- University Central del Caribe Escuela de Medicina (2009)
- Years since graduation
- 17
- In the NPI registry since
- 2009
- Medicare patients seen, 2024
- 235
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2009Medical school: University Central del Caribe Escuela de Medicina
- 2009Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Infectious Disease Physician primary
FL license ME118210 -
Specialist
OR license MD190234
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Salem Hospital Salem, OR
- Mckenzie-Willamette Medical Center Springfield, OR
Medical groups
- South Sound Inpatient Physicians PLLC (422 clinicians)
- Oregon Oncology Specialists LLP (41 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 235
- Services billed
- 84,417
- Patients’ average age
- 71
| Service | Times | Patients |
|---|---|---|
| Injection, daptomycin, 1 mg | 97,000 | 43 |
| Injection, ceftriaxone sodium, per 250 mg | 736 | 41 |
| Injection, cefazolin sodium, 500 mg | 572 | 15 |
| Injection, piperacillin sodium/tazobactam sodium, 1 gram/0.125 grams (1.125 grams) | 380 | 13 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 334 | 107 |
| Injection, ertapenem sodium, 500 mg | 260 | 35 |
| Refilling and maintenance of portable pump | 168 | 55 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 93 | 64 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 88 | 58 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 86 | 84 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Cephalexin Other prescribers in Springfield, OR | 43 |
| Cefazolin Sodium | 24 |
| Cefpodoxime Proxetil | 21 |
| Ceftriaxone (ceftriaxone sodium) Other prescribers in Springfield, OR | 20 |
| Doxycycline Monohydrate Other prescribers in Springfield, OR | 19 |
| Doxycycline Hyclate Other prescribers in Springfield, OR | 17 |
| Penicillin G Potassium | 14 |
| Genvoya (elviteg/cob/emtri/tenof alafen) | 12 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 4 companies reported 5 payments worth $120 in total to this clinician.
| AbbVie Inc. | $45.74 |
|---|---|
| Zoll Services LLC (a/k/a Zoll Lifecor Corp) | $29.07 |
| Gilead Sciences, Inc. | $28.94 |
| Pfizer Inc. | $16.54 |
| Food and Beverage | $120 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.