KUO HAU CHANG (D.O.) – Hospitalist Physician, NPI 1124077425
Hospitalist Physician
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Profile Insights
NPPES metrics only — not quality of care.
690 HOSPITALIST in MN
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Provider Addresses for KUO HAU CHANG (D.O.)
Saint Lukes Hospital, 915, East 1st Street, Duluth, Saint Louis County, Minnesota, 55805, United States
DULUTH, MN 558052107
Phone: (218) 249-5225
Fax: (218) 249-5500
Mailing address matches the actual address.
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: 2011-03-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20110309000213 | I | Hospitalist | MN | 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 |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 55 | 55 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 14 | $0 |
| 99291 | Critical care, first 30-74 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 55805)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| - | MN | |
| Vascular Surgery | IL | |
| Physician Assistant | MN | |
| Emergency Medicine | MN | |
| - | MN | |
| Emergency Medicine | MN | |
| - | MN | |
| Physician Assistant | MN | |
| Hematology/Oncology, Internal Medicine | MN |
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