Quick answers
- Which hospitals does Mark T. Nguyen work at?
- Medicare's official clinician data lists Mark T. Nguyen at 5 hospitals: Legacy Emanuel Medical Center, Legacy Good Samaritan Medical Center, OHSU Hospital and Clinics, Providence Hood River Memorial Hospital and Skyline Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark T. Nguyen see patients?
- Medicare's clinician data lists 1 practice location in Portland, OR. Call before your visit to confirm the address.
- What is Mark T. Nguyen's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Mark T. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Mark T. Nguyen 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 Mark T. Nguyen offer telehealth?
- Medicare's clinician data says Mark T. Nguyen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark T. Nguyen?
- (503) 229-7976, as listed in official Medicare / NPI Registry data.
- What is Mark T. Nguyen's NPI number?
- 1427348150. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark T. Nguyen works
Medicare's Facility Affiliation Data lists Mark T. Nguyen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Legacy Emanuel Medical CenterPortland, OR · Acute Care Hospital · CCN 380007
- Legacy Good Samaritan Medical CenterPortland, OR · Acute Care Hospital · CCN 380017
- OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · CCN 380009
- Providence Hood River Memorial HospitalHood River, OR · Critical Access Hospital · CCN 381318
- Skyline HospitalWhite Salmon, WA · Critical Access Hospital · CCN 501315
Practice locations
Addresses where Mark T. Nguyen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1130 NW 22nd Ave, Suite 640Portland, OR 97210 (503) 229‑7976
Group practices
Medicare enrollment lists Mark T. Nguyen as a member of this group (CMS data updated 2026-10-02).
- Northwest Renal Clinic Inc40 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1427348150 |
| 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