MARIE K. THOMAS (M.D.) – Colon & Rectal Surgery Physician, NPI 1720024920
Colon & Rectal Surgery Physician
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Profile Insights
NPPES metrics only — not quality of care.
46 COLORECTAL SURGERY (PROCTOLOGY) in WI
Provider Addresses for MARIE K. THOMAS (M.D.)
700 S PARK ST STE A
MADISON, WI 537151830
Phone: (608) 260-2900
Fax: (608) 260-2975
Type: Location
Saint Mary's Hospital, 700, South Park Street, Greenbush, Madison, Dane County, Wisconsin, 53715, United States
MADISON, WI 537151830
Phone: (608) 260-2900
Fax: (608) 260-2975
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 $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: 2014-09-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-09-30 (984 days ago).
Enrollment records
1
Earliest due date
2023-09-30
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 |
|---|---|---|---|---|
| I20140908002575 | I | Colorectal Surgery (Proctology) | WI | 2023-09-30 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 18 | 11 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 15 | 15 | $0 |
| 46600 | Diagnostic exam of anus using an endoscope | 14 | 11 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $0 |
Insurance plans in this area (ZIP 53715)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| COLORECTAL SURGERY (PROCTOLOGY) | WI | 46600 | Diagnostic examination of the anus using an endoscope | 34 | 28 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| U R O L O G Y | WA | |
| - | WI | |
| O P T O M E T R Y | WI | |
| N E U R O S U R G E R Y | NE | |
| - | WI | |
| Physician Assistant | WI | |
| Family Practice | WI | |
| Cardiovascular Disease (Cardiology) | TX | |
| - | WI | |
| Family Practice | WI |
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