Quick answers
- Does Melissa J. Rhyasen accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa J. Rhyasen 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 Melissa J. Rhyasen's NPI number?
- 1336411412. 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 Melissa J. Rhyasen is enrolled with Medicare (CMS data updated October 2, 2026).
- 123 C AveLake Oswego, OR 97034 (541) 316‑6575
- 1815 Hudson StLongview, WA 98632 (541) 316‑6575
- 349 SE 7th AveHillsboro, OR 97123 (541) 316‑6575
Group practices
Medicare enrollment lists Melissa J. Rhyasen as a member of this group (CMS data updated October 2, 2026).
- Clear Choice Dermatology48 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Lake Oswego
Clinicians with the same Medicare primary specialty in Lake Oswego, OR — not a recommendation.
Other clinicians in Clear Choice Dermatology
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336411412 |
| 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