Ralph Llewel Diaz Sabang, M.D
NPI 1396196325ActiveIndividual· Internal Medicine, Pulmonary Disease· Valhalla, NY
Internal Medicine, Pulmonary Disease (M.D) with Westchester Medical Center Advanced Physician Services PC and 1 other group, practicing in Valhalla, New York. Their prescriptions cost Medicare Part D more than their services did: $23,845 for 100 claims, against $968.96 paid for services in 2024. Verona Pharma, Inc. was the largest of 4 companies reporting payments in 2025, $449.17 in all, mostly food and beverage. Lists Putnam Hospital Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1396196325 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jun 30, 2016 |
| Last updated in NPPES | Sep 3, 2025 |
| Certified by provider | Sep 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 301274-01 | NY |
| Internal Medicine | 207R00000X | 301274-01 | 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 - Pulmonary Disease (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 13 |
|---|---|
| Services billed | 17 across 7 procedure codes |
| Paid by Medicare | $968.96 |
Part D prescriptions in 2024
| Prescriptions (claims) | 100 · 127 30-day fills |
|---|---|
| Patients | 28 |
| Total drug cost | $23,845 |
| Generic share | 38% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Westchester Medical Center Advanced Physician Services PCValhalla, NY · 897 clinicians
- Nuvance Health Medical Practice PCReading, PA · 595 clinicians
Hospital affiliations
- Putnam Hospital CenterCarmel, NY
- Westchester Medical CenterValhalla, NY
Industry payments (Open Payments)
- 2025$449.17 · 5 payments from 4 companies
- 2024$199.41 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Verona Pharma, Inc. | $180.86 | 2 |
| Astrazeneca Pharmaceuticals LP | $125.00 | 1 |
| Shionogi Inc | $117.92 | 1 |
| Glaxosmithkline, LLC. | $25.39 | 1 |
What the 2025 payments were for
- Food and Beverage$449.17 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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