DR. MAXIMILLIAN YOUCHUN YANG (MD) – Emergency Medicine Physician, NPI 1174690192
Emergency Medicine Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
824 EMERGENCY MEDICINE in OR
Provider Addresses for DR. MAXIMILLIAN YOUCHUN YANG (MD)
3175 NE Aloclek Dr
Hillsboro, OR 971247135
Phone: (800) 813-2000
Type: Location
201 16th Ave E
Seattle, WA 981125226
Phone: (206) 326-3000
Fax: (877) 515-2975
Type: Location
10350 E Dakota Ave
Denver, CO 802471314
Phone: (303) 338-4545
Type: Location
Kaiser Permanente West Los Angeles Medical Center, 6041, Cadillac Avenue, Mid-City, Los Angeles, Los Angeles County, California, 90034, United States
LOS ANGELES, CA 900341702
Phone: (323) 857-2000
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2026-02-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20031218001018 | I | Emergency Medicine | CA | TBD |
| I20250319003670 | I | Emergency Medicine | WA | TBD |
| I20250325003903 | I | Emergency Medicine | CO | TBD |
| I20260221000900 | I | Emergency Medicine | OR | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 97124)
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