Guillermo R. Perez, MD
NPI 1174609564ActiveIndividual· Surgery· Edinburg, TX
Surgery (MD) with Upper Valley Interventional Nephrology, PLLC, practicing in Edinburg, Texas. In 2024 Medicare paid $73,663 for 137 patients, and Part D covered 76 of their prescriptions, 80% of them generic. Intuitive Surgical, Inc. was the largest of 6 companies reporting payments in 2025, $682.36 in all, mostly food and beverage. Lists Doctors Hosptal at Renaissance as a hospital affiliation.
Overview
| NPI | 1174609564 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 27, 2006 |
| Last updated in NPPES | Feb 22, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | L7519 | TX |
| Surgery, Trauma Surgery | 2086S0127X | L7519 | TX |
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 - General Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 137 |
|---|---|
| Services billed | 370 across 63 procedure codes |
| Paid by Medicare | $73,663 |
Part D prescriptions in 2024
| Prescriptions (claims) | 76 · 80 30-day fills |
|---|---|
| Patients | 53 |
| Total drug cost | $7,088 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- Upper Valley Interventional Nephrology, PLLCMission, TX · 9 clinicians
Hospital affiliation
- Doctors Hosptal at RenaissanceEdinburg, TX
Industry payments (Open Payments)
- 2025$682.36 · 7 payments from 6 companies
- 2024$451.45 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $332.65 | 2 |
| Integra Lifesciences Corporation | $134.66 | 1 |
| Cvrx, Inc. | $99.38 | 1 |
| Medtronic, Inc. | $51.80 | 1 |
| Hologic Sales and Service, LLC | $38.88 | 1 |
What the 2025 payments were for
- Food and Beverage$385.13 · 6 payments
- Education$297.23 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 general surgeons in Edinburg · All general surgeons in Texas