Quick answers
- Which hospitals does Ronald J. Lew work at?
- Medicare's official clinician data lists Ronald J. Lew at 5 hospitals: Legacy Meridian Park Medical Center, Legacy Silverton Medical Center, OHSU Hospital and Clinics, Providence Newberg Medical Center and Providence Willamette Falls Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ronald J. Lew see patients?
- Medicare's clinician data lists 4 practice locations, including Tualatin, OR, Saint Helens, OR and Portland, OR. Call before your visit to confirm the address.
- What is Ronald J. Lew's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Ronald J. Lew accept Medicare assignment?
- Yes. Medicare's clinician data says Ronald J. Lew 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.
- Does Ronald J. Lew offer telehealth?
- Medicare's clinician data says Ronald J. Lew offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ronald J. Lew?
- (503) 692-3750, as listed in official Medicare / NPI Registry data.
- What is Ronald J. Lew's NPI number?
- 1265428619. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ronald J. Lew works
Medicare's Facility Affiliation Data lists Ronald J. Lew at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Legacy Meridian Park Medical CenterTualatin, OR · Acute Care Hospital · CCN 380089
- Legacy Silverton Medical CenterSilverton, OR · Acute Care Hospital · CCN 380029
- OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · CCN 380009
- Providence Newberg Medical CenterNewberg, OR · Acute Care Hospital · CCN 380037
- Providence Willamette Falls Medical CenterOregon City, OR · Acute Care Hospital · CCN 380038
Practice locations
Addresses where Ronald J. Lew is enrolled with Medicare (CMS data updated 2026-10-02).
- 19250 SW 90th AveTualatin, OR 97062 (503) 692‑3750
- 500n Columbia River HwySaint Helens, OR 97051 (503) 274‑4999
- 5050 NE Hoyt, Suite 655Portland, OR 97213 (503) 239‑6673
- 879 Providence DrNewberg, OR 97132 (503) 692‑3750
Group practices
Medicare enrollment lists Ronald J. Lew as a member of this group (CMS data updated 2026-10-02).
- The Oregon Clinic, PC362 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Tualatin
Clinicians with the same Medicare primary specialty in Tualatin, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1265428619 |
| 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