Chris K. Rokkas, MD
NPI 1508295841ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Madison, WI
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) with St. Peter's Health Partners Medical Associates, P.C., practicing in Madison, Wisconsin. Mostly services rather than prescriptions: Medicare paid $75,443 for 97 patients in 2024, with only 30 Part D claims. Bolton Medical Inc was the largest of 6 companies reporting payments in 2025, $2,327 in all, mostly travel and lodging. Lists Samaritan Hospital of Troy, New York and 1 other hospital as hospital affiliations.
Overview
| NPI | 1508295841 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 7, 2013 |
| Last updated in NPPES | Jul 17, 2025 |
| Certified by provider | Jul 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 61494-20 | WI |
| Transplant Surgery | 204F00000X | 61494-20 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Thoracic Surgery (NY); Practitioner - General Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 97 |
|---|---|
| Services billed | 206 across 54 procedure codes |
| Paid by Medicare | $75,443 |
Part D prescriptions in 2024
| Prescriptions (claims) | 30 · 46 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $597.89 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Thoracic Surgery |
| Secondary specialties | Cardiac Surgery |
Medical group
- St. Peter's Health Partners Medical Associates, P.C.Troy, NY · 487 clinicians
Hospital affiliations
- Samaritan Hospital of Troy, New YorkTroy, NY
- St Peter's HospitalAlbany, NY
Other facilities
- Eddy Visiting Nurse & Rehab AssociationHome health agency · Troy, NY
Industry payments (Open Payments)
- 2025$2,327 · 17 payments from 6 companies
- 2024$1,154 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bolton Medical Inc | $1,390 | 6 |
| Atricure, Inc. | $445.32 | 3 |
| Edwards Lifesciences Corporation | $247.77 | 5 |
| Abiomed | $126.57 | 1 |
| Lsi Solutions Inc | $100.00 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,269 · 3 payments
- Food and Beverage$958.33 · 13 payments
- Gift$100.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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