DR. THOMAS DIEHL (MD) – Surgery Physician, NPI 1134617608
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
848 GENERAL SURGERY in WI
Provider Addresses for DR. THOMAS DIEHL (MD)
212 Milwaukee Ave W
Fort Atkinson, WI 535382022
Phone: (920) 563-7900
Type: Location
611 Sherman Ave E
Fort Atkinson, WI 535381960
Phone: (920) 563-7900
Type: Location
PO BOX 249
FORT ATKINSON, WI 535380249
Phone: (920) 568-6580
Type: Mailing
UW HOSPITALS AND CLINICS 600 HIGHLAND AVE
MADISON, WI 537920001
Phone: (608) 263-6400
Type: Location
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 $61.
Total Amount is formed as General ($61) + Research ($0) + Ownership ($0) = $61.
Last reported payment date: 2024-04-22 • Largest payer in this snapshot: Baxter Healthcare ($61).
Total Amount
$61
General + Research + Ownership
Payments
1
Total payment records
General Amount
$61
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Baxter Healthcare | $61 |
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: 2024-07-12
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 |
|---|---|---|---|---|
| I20240712001748 | I | General Surgery | WI | 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 53538)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hospitalist, Internal Medicine | MI | |
| General Surgery | IL | |
| - | WI | |
| General Surgery | WI | |
| Certified Registered Nurse Anesthetist (Crna) | WI | |
| Certified Registered Nurse Anesthetist (Crna) | WI | |
| Nurse Practitioner | WI | |
| - | WI | |
| - | WI | |
| - | WI |
Reviews
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