Guirish A. Agni, MD
NPI 1356395552ActiveIndividual· Internal Medicine· Stoughton, WI
Internal Medicine (MD) with Dean Health Systems Inc, practicing in Stoughton, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $953,163 for 10,555 claims, against $51,494 paid for services in 2024. Exact Sciences Corporation reported $25.49 in payments in 2025, mostly food and beverage. Lists Edgerton Hospital and Health Services and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1356395552 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 20, 2006 |
| Last updated in NPPES | Oct 27, 2020 |
| Certified by provider | Oct 27, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 36272-020 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 287 |
|---|---|
| Services billed | 1,167 across 41 procedure codes |
| Paid by Medicare | $51,494 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,555 · 19,727 30-day fills |
|---|---|
| Patients | 535 |
| Total drug cost | $953,163 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dean Health Systems IncSun Prairie, WI · 1,159 clinicians
Hospital affiliations
- Edgerton Hospital and Health ServicesEdgerton, WI
- Ssm Health St Mary's Hospital - JanesvilleJanesville, WI
- Ssm Health St Mary's Hospital - MadisonMadison, WI
- Stoughton HospitalStoughton, WI
Other facilities
- Mercyhealth at HomeHome health agency · Janesville, WI
- Ssm Health at Home Home Health-WisconsinHome health agency · Madison, WI
- Agrace HospicecareHospice · Madison, WI
- Ssm Health at Home HospiceHospice · Baraboo, WI
- Skaalen Nursing and Rehabilitation CenterNursing home · Stoughton, WI
Industry payments (Open Payments)
- 2025$25.49 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $25.49 | 1 |
What the 2025 payments were for
- Food and Beverage$25.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Stoughton
- 1073567285
- 1043286057
- 1548898182