Guillermo A. Ramirez, MD
NPI 1720519838ActiveIndividual· Internal Medicine, Infectious Disease· South Miami, FL
Internal Medicine, Infectious Disease (MD) in South Miami, Florida, trained at Florida International Univ, College of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $180,964 for 226 claims, against $82,959 paid for services in 2024. Shionogi Inc was the largest of 3 companies reporting payments in 2025, $356.24 in all, mostly food and beverage.
Overview
| NPI | 1720519838 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 21, 2017 |
| Last updated in NPPES | Sep 26, 2024 |
| Certified by provider | Sep 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | ME156338 | FL |
| Internal Medicine | 207R00000X | 304207 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Infectious Disease (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 403 |
|---|---|
| Services billed | 1,068 across 10 procedure codes |
| Paid by Medicare | $82,959 |
Part D prescriptions in 2024
| Prescriptions (claims) | 226 · 242 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $180,964 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Florida International Univ, College of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Infectious Disease |
Medical group
- Public Health Trust of Miami Dade County FloridaHialeah, FL · 457 clinicians
Hospital affiliation
- Jackson Health SystemMiami, FL
Industry payments (Open Payments)
- 2025$356.24 · 13 payments from 3 companies
- 2024$1,509 · 59 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shionogi Inc | $231.35 | 8 |
| Abbvie Inc. | $110.78 | 4 |
| Paratek Pharmaceuticals, Inc. | $14.11 | 1 |
What the 2025 payments were for
- Food and Beverage$356.24 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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