Christopher Gene Wang, M.D
NPI 1083856157ActiveIndividual· Internal Medicine, Hematology & Oncology· Birmingham, AL
Internal Medicine, Hematology & Oncology (M.D) with Birmingham Hematology Oncology Assoc LLC, practicing in Birmingham, Alabama. Their prescriptions cost Medicare Part D more than their services did: $5,652,838 for 2,119 claims, against $2,617,603 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 43 companies reporting payments in 2025, $3,313 in all, mostly food and beverage. Lists Grandview Medical Center as a hospital affiliation.
Overview
| NPI | 1083856157 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | Yes |
| NPI issued | Apr 3, 2009 |
| Last updated in NPPES | Dec 15, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 31731 | AL |
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 - Medical Oncology (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 606 |
|---|---|
| Services billed | 129,434 across 126 procedure codes |
| Paid by Medicare | $2,617,603 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,119 · 2,602 30-day fills |
|---|---|
| Patients | 285 |
| Total drug cost | $5,652,838 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology |
Medical group
- Birmingham Hematology Oncology Assoc LLCBirmingham, AL · 32 clinicians
Hospital affiliation
- Grandview Medical CenterBirmingham, AL
Other facilities
- Prohealth Home Health, LLCHome health agency · Birmingham, AL
Industry payments (Open Payments)
- 2025$3,313 · 162 payments from 43 companies
- 2024$3,573 · 187 payments from 45 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $401.82 | 19 |
| Merck Sharp & Dohme LLC | $232.66 | 9 |
| Janssen Biotech, Inc. | $230.37 | 11 |
| Abbvie Inc. | $208.05 | 11 |
| Astrazeneca Pharmaceuticals LP | $183.39 | 8 |
What the 2025 payments were for
- Food and Beverage$3,313 · 162 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 hematologist-oncologists in Birmingham · All hematologist-oncologists in Alabama