DR. THOMAS TACKMAN (MD) – Internal Medicine Physician, NPI 1902802416
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,941 INTERNAL MEDICINE in WI
Provider Addresses for DR. THOMAS TACKMAN (MD)
1461 W Main St
Whitewater, WI 531901568
Phone: (262) 473-5888
Type: Location
611 SHERMAN AVE E
FORT ATKINSON, WI 535381960
Phone: (920) 563-5571
Fax: (920) 563-7705
Type: Location
McMillen Street, Fort Atkinson, Jefferson County, Wisconsin, 53538, United States
FORT ATKINSON, WI 535381233
Phone: (920) 563-5571
Fax: (920) 563-7705
Type: Mailing
PO BOX 249
FORT ATKINSON, WI 535380249
Phone: (920) 563-5571
Fax: (920) 563-7705
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: 2007-07-20
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 |
|---|---|---|---|---|
| I20070720000859 | I | Internal Medicine | 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 53190)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | WI | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 125 | 119 |
| INTERNAL MEDICINE | WI | 94060 | Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration | 11 | 11 |
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 | |
| Diagnostic Radiology | WI | |
| Diagnostic Radiology | WI | |
| - | WI | |
| - | WI |
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