Quick answers
- Does Christina Yun accept Medicare assignment?
- Yes. Medicare's clinician data says Christina Yun 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.
- How many Medicare patients does Christina Yun see?
- In 2024, CMS data shows 90 Original Medicare patients and 141 services for Christina Yun. This counts Original Medicare only and measures volume, not quality.
- What is Christina Yun's NPI number?
- 1184392359. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Christina Yun, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 90 |
|---|---|
| Services billed to Medicare | 141 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)58 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)15 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure51%
- Arthritis38%
- Depression27%
- Diabetes21%
- Ischemic heart disease21%
Practice locations
Addresses where Christina Yun is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1130 NW 22nd Ave, Suite 220Portland, OR 97210 (503) 413‑8988
- 13009 NE Hwy 99, Suite 109Vancouver, WA 98686 (360) 667‑5840
- 2275 W Burnside StPortland, OR 97210 (503) 297‑4779
- 2870 SW Cedar Hills BlvdBeaverton, OR 97005 (503) 646‑9222
- 305 SE Chkalov Dr, Suite 170Vancouver, WA 98683 (360) 799‑3912
Group practices
Medicare enrollment lists Christina Yun as a member of these groups (CMS data updated October 2, 2026).
- Legacy Clinics LLC713 clinicians in the group
- Know Allergy, LLC4 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Other clinicians in Legacy Clinics LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184392359 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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