Quick answers
- Does Chelsea L. Lemmer accept Medicare assignment?
- Medicare's clinician data says Chelsea L. Lemmer may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Chelsea L. Lemmer's NPI number?
- 1902260524. 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 Chelsea L. Lemmer is enrolled with Medicare (CMS data updated October 2, 2026).
- 1890 Waite St, Suite 1North Bend, OR 97459 (541) 435‑7033
- 9735 SW Shady Ln, Suite 304Tigard, OR 97223 (855) 284‑7483
Group practices
Medicare enrollment lists Chelsea L. Lemmer as a member of these groups (CMS data updated October 2, 2026).
- Waterfall Clinic Incorporated14 clinicians in the group
- Thriveworks Clinical - Oregon LLC8 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in North Bend
Clinicians with the same Medicare primary specialty in North Bend, OR — not a recommendation.
Other clinicians in Waterfall Clinic Incorporated
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1902260524 |
| 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