DR. KATHERINE CHANG (M.D.) – Hematology & Oncology Physician, NPI 1427289982
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
403 HEMATOLOGY/ONCOLOGY in WA
Provider Addresses for DR. KATHERINE CHANG (M.D.)
PO BOX 50095
SEATTLE, WA 981455095
Phone:
Type: Mailing
825 EASTLAKE AVE.
SEATTLE, WA 981091023
Phone: (206) 520-5000
Type: Location
6363, France Avenue South, Edina, Hennepin County, Minnesota, 55410, United States
SUITE 610
EDINA, MN 554352129
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $63.
Total Amount is formed as General ($63) + Research ($0) + Ownership ($0) = $63.
Last reported payment date: 2024-09-17 • Largest payer in this snapshot: SANOFI PASTEUR INC. ($42).
Total Amount
$63
General + Research + Ownership
Payments
3
Total payment records
General Amount
$63
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| SANOFI PASTEUR INC. | $42 |
| Karyopharm Therapeutics Inc. | $21 |
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: 2022-08-29
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 |
|---|---|---|---|---|
| I20150713001166 | I | Hematology/Oncology | MN | TBD |
| I20220829003324 | I | Hematology/Oncology | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 90 | 47 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 47 | 35 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 42 | 24 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 25 | 25 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 19 | 19 | $0 |
Insurance plans in this area (ZIP 98145)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y | WA | |
| Infectious Disease | OR | |
| - | WA | |
| - | WA | |
| Family Practice | WA | |
| - | WA | |
| - | WA | |
| - | WA | |
| - | WA | |
| - | WA |
Reviews
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