Quick answers
- Which hospitals does James C. Witten work at?
- Medicare's official clinician data lists James C. Witten at 4 hospitals: Providence Portland Medical Center, Providence Seaside Hospital, 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 James C. Witten see patients?
- Medicare's clinician data lists 1 practice location in Portland, OR. Call before your visit to confirm the address.
- What is James C. Witten's specialty?
- Medicare lists Thoracic Surgery as the primary specialty, and also Cardiac Surgery.
- Does James C. Witten accept Medicare assignment?
- Yes. Medicare's clinician data says James C. Witten 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 James C. Witten?
- (503) 216-8670, as listed in official Medicare / NPI Registry data.
- What is James C. Witten's NPI number?
- 1063973287. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James C. Witten works
Medicare's Facility Affiliation Data lists James C. Witten at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Portland Medical CenterPortland, OR · Acute Care Hospital · CCN 380061
- Providence Seaside HospitalSeaside, OR · Critical Access Hospital · CCN 381303
- 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 James C. Witten is enrolled with Medicare (CMS data updated 2026-10-02).
- 9427 SW Barnes Rd, Suite 593Portland, OR 97225 (503) 216‑8670
Group practices
Medicare enrollment lists James C. Witten as a member of this group (CMS data updated 2026-10-02).
- Providence Health and Services Oregon1,433 clinicians in the group
Specialties
- Thoracic Surgeryprimary
- Cardiac Surgeryalso
Other thoracic surgeons in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063973287 |
| 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