Quick answers
- Which hospitals does Steven A. Hashiguchi work at?
- Medicare's official clinician data lists Steven A. Hashiguchi at 5 hospitals: Legacy Good Samaritan Medical Center, Legacy Meridian Park Medical Center, OHSU Hospital and Clinics, Providence St Vincent Medical Center and Providence Willamette Falls Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven A. Hashiguchi see patients?
- Medicare's clinician data lists 2 practice locations, including Lake Oswego, OR and Tualatin, OR. Call before your visit to confirm the address.
- What is Steven A. Hashiguchi's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Steven A. Hashiguchi accept Medicare assignment?
- Yes. Medicare's clinician data says Steven A. Hashiguchi 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 Steven A. Hashiguchi offer telehealth?
- Medicare's clinician data says Steven A. Hashiguchi offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Steven A. Hashiguchi?
- (503) 635-6256, as listed in official Medicare / NPI Registry data.
- What is Steven A. Hashiguchi's NPI number?
- 1184687428. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven A. Hashiguchi works
Medicare's Facility Affiliation Data lists Steven A. Hashiguchi 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
- Legacy Meridian Park Medical CenterTualatin, OR · Acute Care Hospital · CCN 380089
- OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · CCN 380009
- Providence St Vincent Medical CenterPortland, OR · Acute Care Hospital · CCN 380004
- Providence Willamette Falls Medical CenterOregon City, OR · Acute Care Hospital · CCN 380038
Practice locations
Addresses where Steven A. Hashiguchi is enrolled with Medicare (CMS data updated 2026-10-02).
- 16463 Boones Ferry RdLake Oswego, OR 97035 (503) 635‑6256
- 19300 SW 65th AveTualatin, OR 97062 (503) 413‑4330
Group practices
Medicare enrollment lists Steven A. Hashiguchi as a member of this group (CMS data updated 2026-10-02).
- Legacy Meridian Park Hospital115 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Lake Oswego
Clinicians with the same Medicare primary specialty in Lake Oswego, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Virginia School Of Medicine |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1184687428 |
| 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