Quick answers
- Does Joanna Z. Tang accept Medicare assignment?
- Yes. Medicare's clinician data says Joanna Z. Tang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Joanna Z. Tang's NPI number?
- 1114295250. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Joanna Z. Tang is enrolled with Medicare (CMS data updated October 2, 2026).
Group practices
Medicare enrollment lists Joanna Z. Tang as a member of these groups (CMS data updated October 2, 2026).
- Providence Health and Services- Washington529 clinicians in the group
- Providence Health and Services- Washington223 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Other clinicians in Providence Health and Services- Washington
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114295250 |
| 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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