Paul Riska, MD
NPI 1245274364ActiveIndividual· Internal Medicine, Infectious Disease· Bronx, NY
Internal Medicine, Infectious Disease (MD) in Bronx, New York, trained at Duke University School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $3,061,988 for 4,770 claims, against $23,413 paid for services in 2024. Gilead Sciences, Inc. was the largest of 2 companies reporting payments in 2025, $288.75 in all, mostly food and beverage.
Overview
| NPI | 1245274364 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 16, 2006 |
| Last updated in NPPES | Apr 26, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 1827451 | NY |
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 - Infectious Disease (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 134 |
|---|---|
| Services billed | 299 across 16 procedure codes |
| Paid by Medicare | $23,413 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,770 · 5,341 30-day fills |
|---|---|
| Patients | 115 |
| Total drug cost | $3,061,988 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Infectious Disease |
| Telehealth | Offers telehealth |
Medical group
- Montefiore Medical CenterBronx, NY · 2,820 clinicians
Hospital affiliation
- Montefiore Medical CenterBronx, NY
Industry payments (Open Payments)
- 2025$288.75 · 9 payments from 2 companies
- 2024$88.51 · 5 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $258.10 | 8 |
| Pfizer Inc. | $30.65 | 1 |
What the 2025 payments were for
- Food and Beverage$258.10 · 8 payments
- Travel and Lodging$30.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 93 infectious disease specialists in Bronx · All infectious disease specialists in New York