Carlos Rene Diaz, MD
Internal Medicine, Gastroenterology (MD) in Miami, Florida, trained at Rush Medical College of Rush University (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $735,165 for 1,312 claims, against $51,833 paid for services in 2024. Janssen Biotech, Inc. was the largest of 18 companies reporting payments in 2025, $1,921 in all, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1881012557 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 31, 2014 |
| Last updated in NPPES | Mar 19, 2024 |
| Certified by provider | Mar 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | ME131791 | FL |
| Internal Medicine | 207R00000X | ME131791 | FL |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in Florida, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Carlos D. Diaz · No Known Affiliation | 1128a1 | Dec 18, 2014 | Hialeah, FL |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| 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 (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 291 |
|---|---|
| Services billed | 543 across 20 procedure codes |
| Paid by Medicare | $51,833 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,312 · 1,858 30-day fills |
|---|---|
| Patients | 443 |
| Total drug cost | $735,165 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Internal Medicine |
Medical group
- Gastromed LLCHomestead, FL · 40 clinicians
Hospital affiliation
- Jackson Health SystemMiami, FL
Industry payments (Open Payments)
- 2025$1,921 · 85 payments from 18 companies
- 2024$1,823 · 80 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $583.10 | 22 |
| Abbvie Inc. | $506.51 | 26 |
| Qol Medical, LLC | $164.19 | 9 |
| Takeda Pharmaceuticals U.S.A., Inc. | $155.01 | 6 |
| Glaukos Corporation | $113.83 | 2 |
What the 2025 payments were for
- Food and Beverage$1,912 · 84 payments
- Education$9.24 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 154 gastroenterologists in Miami · All gastroenterologists in Florida