GREGORY A TESTER (MD) – Interventional Cardiology Physician, NPI 1477783603
Interventional Cardiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
193 INTERVENTIONAL CARDIOLOGY in WI
Provider Addresses for GREGORY A TESTER (MD)
700 S Park St
Madison, WI 537151830
Phone: (608) 260-2900
Fax: (608) 260-2956
Type: Location
7974, UW Health Court, Discovery Springs, City of Middleton, Dane County, Wisconsin, 53562, United States
MIDDLETON, WI 535625531
Phone:
Type: Mailing
University Hospital Outpatient Pharmacy, 600, Highland Avenue, Madison, Dane County, Wisconsin, 53705-2221, United States
MADISON, WI 537921830
Phone: (608) 263-1530
Type: Location
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.
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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: 2013-12-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-12-31 (895 days ago).
Enrollment records
1
Earliest due date
2023-12-31
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 |
|---|---|---|---|---|
| I20131219001675 | I | Interventional Cardiology | WI | 2023-12-31 |
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 |
|---|---|---|---|---|
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 244 | 203 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 157 | 122 | $0 |
| 93454 | Insertion of tube in coronary artery for diagnosis with review by radiologist | 130 | 125 | $0 |
| 92928 | Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch | 73 | 55 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 51 | 51 | $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 |
|---|---|---|---|---|---|
| INTERVENTIONAL CARDIOLOGY | WI | 92928 | Catheter insertion of stents in major coronary artery or branch, accessed through the skin | 18 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| - | WI | |
| Nurse Practitioner | WI | |
| Nurse Practitioner | WI | |
| Family Practice | WI | |
| - | WI | |
| - | WI | |
| - | WI | |
| Endocrinology, Internal Medicine | WI | |
| Medical Oncology, Hematology/Oncology | CA |
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