Nathaniel P. Avila, M.D.
NPI 1346683323ActiveIndividual· Internal Medicine, Gastroenterology· Shenandoah, TX
Internal Medicine, Gastroenterology (M.D.) in Shenandoah, Texas, trained at University of Texas Medical School at Houston (class of 2013). Mostly services rather than prescriptions: Medicare paid $6,759 for 36 patients in 2024, with only 14 Part D claims. Madrigal Pharmaceuticals was the largest of 2 companies reporting payments in 2025, $66.26 in all, mostly food and beverage.
Overview
| NPI | 1346683323 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 9, 2013 |
| Last updated in NPPES | Jul 28, 2026 |
| Certified by provider | Jul 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 24368 | ND |
| Internal Medicine | 207R00000X | 247265 | TN |
| Internal Medicine, Gastroenterology | 207RG0100X | MD-50847 | IA |
| Internal Medicine, Gastroenterology | 207RG0100X | S2225 | TX |
| Internal Medicine, Gastroenterology | 207RG0100X | 247265 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (MO); Practitioner - Gastroenterology (ND); Practitioner - Gastroenterology (TN); Practitioner - Gastroenterology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 36 |
|---|---|
| Services billed | 67 across 22 procedure codes |
| Paid by Medicare | $6,759 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14 · 18 30-day fills |
|---|---|
| Total drug cost | $768.41 |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Gastroenterology |
Medical group
- Sanford Medical Center FargoWest Fargo, ND · 1,225 clinicians
Hospital affiliations
- Corpus Christi Medical Center,theCorpus Christi, TX
- Research Medical CenterKansas City, MO
- Sanford Medical Center FargoFargo, ND
- St Joseph Medical CenterHouston, TX
- Wellmont Holston Valley Medical CenterKingsport, TN
Industry payments (Open Payments)
- 2025$66.26 · 3 payments from 2 companies
- 2024$137.83 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $37.10 | 2 |
| Abbvie Inc. | $29.16 | 1 |
What the 2025 payments were for
- Food and Beverage$66.26 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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