WILLIAM DAVID KARCZEWSKI (M.D.) – Diagnostic Radiology Physician, NPI 1275896490
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,649 DIAGNOSTIC RADIOLOGY in MI
Provider Addresses for WILLIAM DAVID KARCZEWSKI (M.D.)
PO BOX 30516
DEPT. 9516
LANSING, MI 48909
Phone: (231) 935-0497
Fax: (231) 935-0498
Type: Mailing
1105 SIXTH ST
TRAVERSE CITY, MI 496842345
Phone: (231) 935-0497
Type: Location
1105 Sixth St
Traverse City, MI 496842345
Phone: (231) 935-0497
Type: Location
3600 MINNESOTA DR STE 800
EDINA, MN 554357915
Phone: (952) 595-1100
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $222.
Total Amount is formed as General ($222) + Research ($0) + Ownership ($0) = $222.
Last reported payment date: 2024-07-02 • Largest payer in this snapshot: Siemens Medical Solutions USA, Inc. ($222).
Total Amount
$222
General + Research + Ownership
Payments
1
Total payment records
General Amount
$222
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Siemens Medical Solutions USA, Inc. | $222 |
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: 2026-01-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 6 Medicare enrollment records; no due dates published yet.
Enrollment records
6
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 |
|---|---|---|---|---|
| I20170713002589 | I | Diagnostic Radiology | MI | TBD |
| I20251217002647 | I | Diagnostic Radiology | MN | TBD |
| I20251217002940 | I | Diagnostic Radiology | IL | TBD |
| I20251222003809 | I | Diagnostic Radiology | MT | TBD |
| I20251231001798 | I | Diagnostic Radiology | IA | TBD |
| I20260128003302 | I | Diagnostic Radiology | TX | 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 |
|---|---|---|---|---|
| 77067 | Screening mammography | 605 | 605 | $0 |
| 77063 | Screening 3d breast mammography | 488 | 488 | $0 |
| 71045 | X-ray of chest, 1 view | 409 | 387 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 299 | 291 | $0 |
| 77080 | Dxa bone density measurement of hip, pelvis, spine | 277 | 277 | $0 |
Insurance plans in this area (ZIP 48909)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | MI | |
| - | MI | |
| Diagnostic Radiology | MI | |
| Diagnostic Radiology | MI | |
| Diagnostic Radiology | MI | |
| Diagnostic Radiology | MI | |
| Diagnostic Radiology, Interventional Radiology | NC | |
| - | MI | |
| Interventional Radiology | MI | |
| - | MI |
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