Miriam L. Rivera Irizarry, M.D.
NPI 1356304828ActiveIndividual· Internal Medicine· Kissimmee, FL
Internal Medicine (M.D.) in Kissimmee, Florida, licensed in FL and PR, with an NPI issued in April 2006. Their prescriptions cost Medicare Part D more than their services did: $537,963 for 9,136 claims, against $33,168 paid for services in 2024. Amgen Inc. was the largest of 6 companies reporting payments in 2025, $136.42 in all, mostly food and beverage. Lists Adventhealth Orlando as a hospital affiliation.
Overview
| NPI | 1356304828 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 7, 2006 |
| Last updated in NPPES | Dec 5, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ACN 295 | FL |
| Internal Medicine | 207R00000X | 11914 | PR |
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 - Internal Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 67 |
|---|---|
| Services billed | 461 across 25 procedure codes |
| Paid by Medicare | $33,168 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,136 · 22,509 30-day fills |
|---|---|
| Patients | 731 |
| Total drug cost | $537,963 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Adventhealth OrlandoOrlando, FL
Industry payments (Open Payments)
- 2025$136.42 · 8 payments from 6 companies
- 2024$167.69 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $35.91 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $35.40 | 2 |
| Astrazeneca Pharmaceuticals LP | $16.69 | 1 |
| Xeris Pharmaceuticals, Inc. | $16.60 | 1 |
| Abbvie Inc. | $16.12 | 1 |
What the 2025 payments were for
- Food and Beverage$136.42 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 121 internal medicine physicians in Kissimmee · All internal medicine physicians in Florida