Quick answers
- Which hospitals does Eric C. Chang work at?
- Medicare's official clinician data lists Eric C. Chang at 5 hospitals: Legacy Emanuel Medical Center, Legacy Good Samaritan Medical Center, Legacy Meridian Park Medical Center, Legacy Mount Hood Medical Center and Legacy Salmon Creek Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Eric C. Chang see patients?
- Medicare's clinician data lists 13 practice locations, including Portland, OR, Vancouver, WA and Gresham, OR. Call before your visit to confirm the address.
- What is Eric C. Chang's specialty?
- Medicare lists Infectious Disease as the primary specialty, and also Internal Medicine.
- Does Eric C. Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Eric C. Chang 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 Eric C. Chang offer telehealth?
- Medicare's clinician data says Eric C. Chang offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Eric C. Chang?
- (503) 413-7711, as listed in official Medicare / NPI Registry data.
- What is Eric C. Chang's NPI number?
- 1720290190. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Eric C. Chang works
Medicare's Facility Affiliation Data lists Eric C. Chang 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
- Legacy Meridian Park Medical CenterTualatin, OR · Acute Care Hospital · CCN 380089
- Legacy Mount Hood Medical CenterGresham, OR · Acute Care Hospital · CCN 380025
- Legacy Salmon Creek Medical CenterVancouver, WA · Acute Care Hospital · CCN 500150
Practice locations
Addresses where Eric C. Chang is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 13; the Medicare profile lists all.
- 1015 NW 22nd AvePortland, OR 97210 (503) 413‑7711
- 1015 Nw22nd Ave, Suite 34Portland, OR 97210 (503) 413‑6376
- 1130 NW 22nd Ave, Suite 220Portland, OR 97210 (503) 413‑8988
- 1200 NW 23rd AvePortland, OR 97210 · Legacy Good Samaritan Hospital and Medical Center (503) 413‑7074
- 1321 NE 99th Ave, Suite 200Portland, OR 97220 (503) 215‑4250
Group practices
Medicare enrollment lists Eric C. Chang as a member of these groups (CMS data updated 2026-10-02).
- Providence Health and Services Oregon1,433 clinicians in the group
- Legacy Clinics LLC713 clinicians in the group
- Providence Health and Services Washington475 clinicians in the group
- Legacy Salmon Creek Hospital301 clinicians in the group
- Providence Medical Institute288 clinicians in the group
- Legacy Emanuel Hospital and Health Center238 clinicians in the group
Specialties
- Infectious Diseaseprimary
- Internal Medicinealso
Other infectious disease doctors in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Rochester School Of Medicine And Dentistry |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1720290190 |
| 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