Alberto Nenninger Leon, MD
NPI 1750809968ActiveIndividual· Internal Medicine· Edinburg, TX
Internal Medicine (MD) with San Juan Regional Medical Center, Inc. and 2 other groups, practicing in Edinburg, Texas. In 2024 Medicare paid $65,781 for 277 patients, and Part D covered 183 of their prescriptions, 80% of them generic. Lists Christus Santa Rosa Hospital-San Marcos and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1750809968 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 7, 2017 |
| Last updated in NPPES | Oct 21, 2025 |
| Certified by provider | Oct 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD2020-0267 | NM |
| Internal Medicine | 207R00000X | V9380 | TX |
| Hospitalist | 208M00000X | V9380 | 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 - Internal Medicine (NM); Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 277 |
|---|---|
| Services billed | 647 across 17 procedure codes |
| Paid by Medicare | $65,781 |
Part D prescriptions in 2024
| Prescriptions (claims) | 183 · 205 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $16,618 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- San Juan Regional Medical Center, Inc.Farmington, NM · 241 clinicians
- Renaissance HospitalistsEdinburg, TX · 41 clinicians
- Lone Star Extensivists PLLCNew Braunfels, TX · 12 clinicians
Hospital affiliations
- Christus Santa Rosa Hospital-San MarcosSan Marcos, TX
- Doctors Hosptal at RenaissanceEdinburg, TX
- San Juan Regional Medical Center IncFarmington, NM
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 72 internal medicine physicians in Edinburg · All internal medicine physicians in Texas