Renato Yap Mandanas, M.D.
NPI 1154492296ActiveIndividual· Internal Medicine· Oswego, NY
Internal Medicine (M.D.) with Oswego Hospital, practicing in Oswego, New York. Their prescriptions cost Medicare Part D more than their services did: $158,270 for 1,570 claims, against $68,348 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $61.05 in all, mostly food and beverage. Lists Oswego Hospital as a hospital affiliation.
Overview
| NPI | 1154492296 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 12, 2006 |
| Last updated in NPPES | Apr 14, 2021 |
| Certified by provider | Apr 14, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 152086 | NY |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 152086 | 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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 298 |
|---|---|
| Services billed | 947 across 31 procedure codes |
| Paid by Medicare | $68,348 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,570 · 3,152 30-day fills |
|---|---|
| Patients | 316 |
| Total drug cost | $158,270 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1979 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Family Practice |
Medical group
- Oswego HospitalOswego, NY · 60 clinicians
Hospital affiliation
- Oswego HospitalOswego, NY
Other facilities
- Oswego Health Home Care, LLCHome health agency · Fulton, NY
Industry payments (Open Payments)
- 2025$61.05 · 3 payments from 2 companies
- 2024$70.58 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $42.13 | 2 |
| Glaxosmithkline, LLC. | $18.92 | 1 |
What the 2025 payments were for
- Food and Beverage$61.05 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 internal medicine physicians in Oswego · All internal medicine physicians in New York