Quick answers
- Which hospitals does Angelo M. De Mattos work at?
- Medicare's official clinician data lists Angelo M. De Mattos at 5 hospitals: Asante Rogue Regional Medical Center, Columbia Memorial Hospital, Good Samaritan Regional Medical Center, OHSU Hospital and Clinics and Salem Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Angelo M. De Mattos see patients?
- Medicare's clinician data lists 1 practice location in Portland, OR. Call before your visit to confirm the address.
- What is Angelo M. De Mattos's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Angelo M. De Mattos accept Medicare assignment?
- Yes. Medicare's clinician data says Angelo M. De Mattos 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 Angelo M. De Mattos?
- (503) 494-8311, as listed in official Medicare / NPI Registry data.
- What is Angelo M. De Mattos's NPI number?
- 1619984812. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Angelo M. De Mattos works
Medicare's Facility Affiliation Data lists Angelo M. De Mattos at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Asante Rogue Regional Medical CenterMedford, OR · Acute Care Hospital · CCN 380018
- Columbia Memorial HospitalAstoria, OR · Critical Access Hospital · CCN 381320
- Good Samaritan Regional Medical CenterCorvallis, OR · Acute Care Hospital · CCN 380014
- OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · CCN 380009
- Salem HospitalSalem, OR · Acute Care Hospital · CCN 380051
Practice locations
Addresses where Angelo M. De Mattos is enrolled with Medicare (CMS data updated 2026-10-02).
- 3181 SW Sam Jackson Park RdPortland, OR 97239 (503) 494‑8311
Group practices
Medicare enrollment lists Angelo M. De Mattos as a member of this group (CMS data updated 2026-10-02).
- University Professional Services1,724 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619984812 |
| 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