Quick answers
- Does John P. Guerreiro accept Medicare assignment?
- Yes. Medicare's clinician data says John P. Guerreiro 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 John P. Guerreiro's NPI number?
- 1518040948. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John P. Guerreiro works
Medicare's Facility Affiliation Data lists John P. Guerreiro 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.
- Hillsboro Medical CenterHillsboro, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380021
- Providence St Vincent Medical CenterPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380004
Practice locations
Addresses where John P. Guerreiro is enrolled with Medicare (CMS data updated October 2, 2026).
- 10700 SW Beaverton Hillsdale Hwy, Suite 11Beaverton, OR 97005 (503) 641‑1475
- 2725 SW Cedar Hills Blvd, Suite 200Beaverton, OR 97005 (503) 352‑6000
Group practices
Medicare enrollment lists John P. Guerreiro as a member of this group (CMS data updated October 2, 2026).
- Virginia Garcia Memorial Health Center87 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Beaverton
Clinicians with the same Medicare primary specialty in Beaverton, OR — not a recommendation.
Other clinicians in Virginia Garcia Memorial Health Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Michigan State University College Of Human Medicine |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518040948 |
| 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