Juan Marcos Chavez Paz, M.D.
NPI 1104003607ActiveIndividual· Internal Medicine, Pulmonary Disease· McAllen, TX
Internal Medicine, Pulmonary Disease (M.D.) with Renaissance ICU Group and 1 other group, practicing in McAllen, Texas. Their prescriptions cost Medicare Part D more than their services did: $623,666 for 648 claims, against $62,638 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 11 companies reporting payments in 2025, $657.03 in all, mostly food and beverage. Lists Doctors Hosptal at Renaissance and 1 other hospital as hospital affiliations.
Overview
| NPI | 1104003607 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 28, 2008 |
| Last updated in NPPES | May 1, 2026 |
| Certified by provider | May 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | N8629 | TX |
| Internal Medicine, Critical Care Medicine | 207RC0200X | N8629 | TX |
| Internal Medicine | 207R00000X | 125048900 | IL |
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 - Pulmonary Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 202 |
|---|---|
| Services billed | 500 across 21 procedure codes |
| Paid by Medicare | $62,638 |
Part D prescriptions in 2024
| Prescriptions (claims) | 648 · 1,009 30-day fills |
|---|---|
| Patients | 96 |
| Total drug cost | $623,666 |
| Generic share | 64% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Internal Medicine |
Medical groups
- Renaissance ICU GroupEdinburg, TX · 14 clinicians
- ICU Dynamics PLLCMcAllen, TX · 6 clinicians
Hospital affiliations
- Doctors Hosptal at RenaissanceEdinburg, TX
- Mission Regional Medical CenterMission, TX
Industry payments (Open Payments)
- 2025$657.03 · 37 payments from 11 companies
- 2024$490.48 · 24 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $286.50 | 20 |
| Aop Health US, LLC | $76.30 | 1 |
| Astrazeneca Pharmaceuticals LP | $64.56 | 3 |
| Viatris Specialty LLC | $55.48 | 2 |
| Baxter Healthcare | $35.61 | 2 |
What the 2025 payments were for
- Food and Beverage$657.03 · 37 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 pulmonologists in McAllen · All pulmonologists in Texas