Quick answers
- Which hospitals does Robert Tatsumi work at?
- Medicare's official clinician data lists Robert Tatsumi at 5 hospitals: Legacy Meridian Park Medical Center, Legacy Silverton Medical Center, Providence Newberg Medical Center, 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 Robert Tatsumi see patients?
- Medicare's clinician data lists 1 practice location in Tualatin, OR. Call before your visit to confirm the address.
- What is Robert Tatsumi's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Robert Tatsumi accept Medicare assignment?
- Yes. Medicare's clinician data says Robert Tatsumi 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 Robert Tatsumi?
- (503) 828-1150, as listed in official Medicare / NPI Registry data.
- What is Robert Tatsumi's NPI number?
- 1992828800. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert Tatsumi works
Medicare's Facility Affiliation Data lists Robert Tatsumi 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
- Providence Newberg Medical CenterNewberg, OR · Acute Care Hospital · CCN 380037
- 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 Robert Tatsumi is enrolled with Medicare (CMS data updated 2026-10-02).
- 19255 SW 65th Ave, Suite 220Tualatin, OR 97062 (503) 828‑1150
Group practices
Medicare enrollment lists Robert Tatsumi as a member of this group (CMS data updated 2026-10-02).
- Robert L Tatsumi MD PC3 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Tualatin
Clinicians with the same Medicare primary specialty in Tualatin, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992828800 |
| 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