Abhishek Sundaram, M.B.B.S
NPI 1104055839ActiveIndividual· Surgery, Vascular Surgery· Grafton, WI
Surgery, Vascular Surgery (M.B.B.S) with Aurora Advanced Healthcare, Inc., practicing in Grafton, Wisconsin. In 2024 Medicare paid $79,178 for 271 patients, and Part D covered 185 of their prescriptions, 82% of them generic. W. L. Gore & Associates, Inc. was the largest of 3 companies reporting payments in 2025, $468.91 in all, mostly food and beverage. Lists Aurora Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1104055839 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.B.B.S |
| Sole proprietor | Yes |
| NPI issued | Jul 1, 2009 |
| Last updated in NPPES | Jun 21, 2024 |
| Certified by provider | Jun 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | 68978 | WI |
| Surgery | 208600000X | 68978 | 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 - Vascular Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 271 |
|---|---|
| Services billed | 613 across 67 procedure codes |
| Paid by Medicare | $79,178 |
Part D prescriptions in 2024
| Prescriptions (claims) | 185 · 336 30-day fills |
|---|---|
| Patients | 81 |
| Total drug cost | $28,443 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Vascular Surgery |
Medical group
- Aurora Advanced Healthcare, Inc.Milwaukee, WI · 1,124 clinicians
Hospital affiliations
- Aurora Medical CenterGrafton, WI
- Aurora Medical Center - SummitSummit, WI
- Aurora Medical Center Sheboygan CountySheboygan, WI
- Aurora Medical Ctr Washington CountyHartford, WI
- Aurora St Lukes Medical CenterMilwaukee, WI
Other facilities
- Aurora at HomeHome health agency · Milwaukee, WI
Industry payments (Open Payments)
- 2025$468.91 · 9 payments from 3 companies
- 2024$1,273 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| W. L. Gore & Associates, Inc. | $227.24 | 6 |
| Inquis Medical, Inc. | $217.99 | 2 |
| Abbott Laboratories | $23.68 | 1 |
What the 2025 payments were for
- Food and Beverage$315.94 · 8 payments
- Travel and Lodging$152.97 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records