DR. KATHY YEACHYNG CHANG (MD, MPH) – Preventive Medicine/Occupational Environmental Medicine Physician, NPI 1043357742
Preventive Medicine/Occupational Environmental Medicine Physician
Main info
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Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. KATHY YEACHYNG CHANG (MD, MPH)
500 NE MULTNOMAH ST STE 100
PORTLAND, OR 972322031
Phone:
Type: Mailing
1620 NE 122ND AVE
PORTLAND, OR 97230
Phone: (800) 813-2000
Type: Location
3449 N Anchor St
Suite 500
Portland, OR 972177679
Phone: (503) 285-6627
Type: Location
17700 SE Mill Plain Blvd Ste 190
Vancouver, WA 986837582
Phone: (800) 813-2000
Type: Location
3449, North Anchor Street, Swan Island Industrial Park, Overlook, Portland, Metro, Multnomah County, Oregon, 97217, United States
SUITE 500
PORTLAND, OR 972177679
Phone: (503) 285-6627
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: 2023-06-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20230519002528 | I | Occupational Medicine | OR | TBD |
| I20230605001565 | I | Preventive Medicine | WA | 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 97232)
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