Quick answers
- Which hospitals does Erick M. Rivera-Grana work at?
- Medicare's official clinician data lists Erick M. Rivera-Grana at 2 hospitals: Legacy Good Samaritan Medical Center and OHSU Hospital and Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Erick M. Rivera-Grana see patients?
- Medicare's clinician data lists 2 practice locations, including Portland, OR and Ponce, PR. Call before your visit to confirm the address.
- What is Erick M. Rivera-Grana's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Erick M. Rivera-Grana accept Medicare assignment?
- Yes. Medicare's clinician data says Erick M. Rivera-Grana 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 Erick M. Rivera-Grana?
- (503) 413-7022, as listed in official Medicare / NPI Registry data.
- What is Erick M. Rivera-Grana's NPI number?
- 1396232591. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Erick M. Rivera-Grana works
Medicare's Facility Affiliation Data lists Erick M. Rivera-Grana at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Legacy Good Samaritan Medical CenterPortland, OR · Acute Care Hospital · CCN 380017
- OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · CCN 380009
Practice locations
Addresses where Erick M. Rivera-Grana is enrolled with Medicare (CMS data updated 2026-10-02).
- 1040 NW 22nd Ave, Suite 168Portland, OR 97210 (503) 413‑7022
- 91 Calle UnPonce, PR 00730 (787) 460‑6568
Group practices
Medicare enrollment lists Erick M. Rivera-Grana as a member of this group (CMS data updated 2026-10-02).
- Legacy Good Samaritan Hospital and Medical Center191 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ponce School Of Medicine |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396232591 |
| 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