Onix Cesar Garib Alpizar, MD
NPI 1003268715ActiveIndividual· Internal Medicine, Gastroenterology· Hialeah, FL
Internal Medicine, Gastroenterology (MD) with Gastromed LLC, practicing in Hialeah, Florida. Their prescriptions cost Medicare Part D more than their services did: $227,152 for 929 claims, against $32,425 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 17 companies reporting payments in 2025, $1,572 in all, mostly food and beverage. Lists Jackson Health System as a hospital affiliation.
Overview
| NPI | 1003268715 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 6, 2016 |
| Last updated in NPPES | Jan 30, 2023 |
| Certified by provider | Jan 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | ME156522 | FL |
| Internal Medicine | 207R00000X | 21349 | PR |
| Student in an Organized Health Care Education/Training Program | 390200000X | 32746R | PR |
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 (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 140 |
|---|---|
| Services billed | 324 across 24 procedure codes |
| Paid by Medicare | $32,425 |
Part D prescriptions in 2024
| Prescriptions (claims) | 929 · 1,096 30-day fills |
|---|---|
| Patients | 248 |
| Total drug cost | $227,152 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Gastromed LLCHomestead, FL · 40 clinicians
Hospital affiliation
- Jackson Health SystemMiami, FL
Industry payments (Open Payments)
- 2025$1,572 · 73 payments from 17 companies
- 2024$1,238 · 54 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $403.12 | 20 |
| Abbvie Inc. | $351.86 | 20 |
| Qol Medical, LLC | $179.61 | 10 |
| Luye Pharma (USA) Ltd. | $121.87 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $90.84 | 4 |
What the 2025 payments were for
- Food and Beverage$1,572 · 73 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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