William Anthony Christiana, MD
NPI 1891884482ActiveIndividual· Internal Medicine· Belleville, NJ
Internal Medicine (MD) in Belleville, New Jersey, licensed in NJ, with an NPI issued in October 2006. Their prescriptions cost Medicare Part D more than their services did: $603,397 for 7,524 claims, against $57,404 paid for services in 2024. Novo Nordisk Inc was the largest of 2 companies reporting payments in 2025, $43.61 in all, mostly food and beverage.
Overview
| NPI | 1891884482 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 12, 2006 |
| Last updated in NPPES | Jun 25, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MA50153 | 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 - Internal Medicine (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 316 |
|---|---|
| Services billed | 1,123 across 31 procedure codes |
| Paid by Medicare | $57,404 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,524 · 17,781 30-day fills |
|---|---|
| Patients | 640 |
| Total drug cost | $603,397 |
| Generic share | 90% of claims |
Industry payments (Open Payments)
- 2025$43.61 · 2 payments from 2 companies
- 2024$36.12 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $24.67 | 1 |
| Lilly USA, LLC | $18.94 | 1 |
What the 2025 payments were for
- Food and Beverage$43.61 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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