Ruheri A. Perez-Tamayo, MD,PHD
NPI 1881655397ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· McHenry, IL
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD,PHD) with Osf Multi-Specialty Group and 1 other group, practicing in McHenry, Illinois. Medicare paid $28,736 for services to 43 patients in 2024. Zimmer Biomet Holdings, Inc. was the largest of 4 companies reporting payments in 2025, $725.33 in all, mostly consulting fees. Lists Loyola University Medical Center as a hospital affiliation.
Overview
| NPI | 1881655397 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD,PHD |
| Sole proprietor | No |
| NPI issued | Apr 1, 2006 |
| Last updated in NPPES | Feb 4, 2022 |
| Certified by provider | Feb 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 036100023 | IL |
| Surgery, Surgical Critical Care | 2086S0102X | 036100023 | IL |
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 - Cardiac Surgery (IL); Practitioner - Thoracic Surgery (IN); Practitioner - Thoracic Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 43 |
|---|---|
| Services billed | 61 across 8 procedure codes |
| Paid by Medicare | $28,736 |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Cardiac Surgery |
| Secondary specialties | Critical Care (Intensivists), General Surgery, Thoracic Surgery, Vascular Surgery |
Medical groups
- Osf Multi-Specialty GroupMorton, IL · 2,114 clinicians
- Loyola University Medical CenterMaywood, IL · 953 clinicians
Hospital affiliation
- Loyola University Medical CenterMaywood, IL
Industry payments (Open Payments)
- 2025$725.33 · 4 payments from 4 companies
- 2024$44.59 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $625.00 | 1 |
| Getinge USA Sales, LLC | $44.17 | 1 |
| Atricure, Inc. | $28.61 | 1 |
| Lemaitre Vascular, Inc. | $27.55 | 1 |
What the 2025 payments were for
- Consulting Fee$625.00 · 1 payment
- Food and Beverage$100.33 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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