Irena Lisa Demario, D.O.
NPI 1538502075ActiveIndividual· Internal Medicine· Livingston, NJ
Internal Medicine (D.O.) in Livingston, New Jersey, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 2013). In 2024 Medicare paid $103,179 for 295 patients, and Part D covered 127 of their prescriptions, 87% of them generic. Pfizer Inc. reported $19.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1538502075 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Apr 15, 2013 |
| Last updated in NPPES | Jun 21, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25MB09844200 | NJ |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 295 |
|---|---|
| Services billed | 1,093 across 7 procedure codes |
| Paid by Medicare | $103,179 |
Part D prescriptions in 2024
| Prescriptions (claims) | 127 · 135 30-day fills |
|---|---|
| Patients | 74 |
| Total drug cost | $11,404 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | New York College of Osteo Medicine of New York Institute of Technology |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Internal Medicine |
Medical group
- Rwjbh Emergency Medicine Associates, LLCJersey City, NJ · 848 clinicians
Hospital affiliation
- Cooperman Barnabas Medical CenterLivingston, NJ
Industry payments (Open Payments)
- 2025$19.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $19.00 | 1 |
What the 2025 payments were for
- Food and Beverage$19.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 89 internal medicine physicians in Livingston · All internal medicine physicians in New Jersey