William Rafelson, M.D.
NPI 1992142046ActiveIndividual· Internal Medicine, Hematology & Oncology· Morristown, NJ
Internal Medicine, Hematology & Oncology (M.D.) with Practice Associates Medical Group, practicing in Morristown, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $361,862 for 125 claims, against $52,738 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 14 companies reporting payments in 2025, $860.28 in all, mostly food and beverage. Lists Ahs Hospital Corp and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1992142046 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 30, 2013 |
| Last updated in NPPES | Oct 29, 2023 |
| Certified by provider | Oct 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 25MA10781500 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 163 |
|---|---|
| Services billed | 796 across 16 procedure codes |
| Paid by Medicare | $52,738 |
Part D prescriptions in 2024
| Prescriptions (claims) | 125 · 150 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $361,862 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Practice Associates Medical GroupSummit, NJ · 1,408 clinicians
Hospital affiliations
- Ahs Hospital CorpHackettstown, NJ
- Chilton Medical CenterPompton Plains, NJ
- Morristown Medical CenterMorristown, NJ
- Overlook Medical CenterSummit, NJ
Industry payments (Open Payments)
- 2025$860.28 · 48 payments from 14 companies
- 2024$5,698 · 111 payments from 31 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $229.58 | 14 |
| Pfizer Inc. | $128.78 | 8 |
| Novartis Pharmaceuticals Corporation | $95.96 | 6 |
| Kerecis Limited | $59.35 | 1 |
| Exelixis Inc. | $57.55 | 3 |
What the 2025 payments were for
- Food and Beverage$860.28 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Morristown
- 1013970813
- 1215201298
- 1922096916
- 1386690840
- 1912995960
- 1144218215
- 1689662769
- 1508009366
- 1023103876
- 1811985997
- 1831182112
- 1366708794
All Internal Medicine, Hematology & Oncology providers in New Jersey →