Rosario A. Perez Gutierrez
NPI 1790203057ActiveIndividual· Transplant Surgery· Chicago, IL
Transplant Surgery with University of Chicago and 1 other group, practicing in Chicago, Illinois. 85 Medicare patients in 2024, $108,878 paid; nearly all of their 304 Part D prescriptions were generic (99%). Alexion Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $40.72 in all, mostly food and beverage. Lists The University of Chicago Medical Center as a hospital affiliation.
Overview
| NPI | 1790203057 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Sep 6, 2017 |
| Last updated in NPPES | Oct 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Transplant Surgery Primary | 204F00000X | 036153970 | 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 - General Surgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 85 |
|---|---|
| Services billed | 324 across 22 procedure codes |
| Paid by Medicare | $108,878 |
Part D prescriptions in 2024
| Prescriptions (claims) | 304 · 309 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $13,024 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | General Surgery |
Medical groups
- University of ChicagoChicago, IL · 1,712 clinicians
- The University of Chicago Medical CenterChicago, IL · 915 clinicians
Hospital affiliation
- The University of Chicago Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$40.72 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $34.52 | 1 |
| Organ Recovery Systems, Inc. | $6.20 | 1 |
What the 2025 payments were for
- Food and Beverage$40.72 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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