Quick answers
- Which hospitals does David Chang work at?
- Medicare's official clinician data lists David Chang at 1 hospital: Saint Alphonsus Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Chang see patients?
- Medicare's clinician data lists 4 practice locations, including Tualatin, OR, Portland, OR and Meridian, ID. Call before your visit to confirm the address.
- What is David Chang's specialty?
- Medicare lists Sleep Medicine as the primary specialty.
- Does David Chang accept Medicare assignment?
- Yes. Medicare's clinician data says David 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 David Chang offer telehealth?
- Medicare's clinician data says David Chang offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for David Chang?
- (503) 413-7074, as listed in official Medicare / NPI Registry data.
- What is David Chang's NPI number?
- 1487678769. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Chang works
Medicare's Facility Affiliation Data lists David Chang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Alphonsus Regional Medical CenterBoise, ID · Acute Care Hospital · CCN 130007
Practice locations
Addresses where David Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 19250 SW 65th Ave, Suite 137Tualatin, OR 97062 (503) 413‑7074
- 2222 NW Lovejoy St, Suite 411Portland, OR 97210 (503) 413‑5702
- 3025 W Cherry LnMeridian, ID 83642
- 6140 W Curtisian AveBoise, ID 83704
Group practices
Medicare enrollment lists David Chang as a member of these groups (CMS data updated 2026-10-02).
- Legacy Clinics LLC713 clinicians in the group
- Saint Alphonsus Regional Medical Center Inc680 clinicians in the group
Specialties
- Sleep Medicineprimary
Other sleep medicine doctors in Oregon
Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1487678769 |
| 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