David Z. Chang, M.D., PHD
NPI 1982718078ActiveIndividual· Internal Medicine, Hematology & Oncology· Newport News, VA
Internal Medicine, Hematology & Oncology (M.D., PHD) in Newport News, Virginia, trained at Geisel School of Medicine at Dartmouth (class of 1998). In 2024 Medicare paid $2,403,935 for 795 patients, and Part D covered 698 of their prescriptions, 72% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 7 companies reporting payments in 2025, $65,028 in all, mostly speaking and faculty fees.
Overview
| NPI | 1982718078 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PHD |
| Sole proprietor | No |
| NPI issued | Aug 18, 2006 |
| Last updated in NPPES | Sep 22, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 0101244535 | VA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 795 |
|---|---|
| Services billed | 158,282 across 190 procedure codes |
| Paid by Medicare | $2,403,935 |
Part D prescriptions in 2024
| Prescriptions (claims) | 698 · 900 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $1,774,184 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Geisel School of Medicine at Dartmouth |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Virginia Oncology AssociatesVirginia Beach, VA · 112 clinicians
Hospital affiliations
- Mary Immaculate HospitalNewport News, VA
- Riverside Regional Medical CenterNewport News, VA
- Sentara Careplex HospitalHampton, VA
- Sentara Norfolk General HospitalNorfolk, VA
- Sentara Williamsburg Regional Medical CenterWilliamsburg, VA
Industry payments (Open Payments)
- 2025$65,028 · 40 payments from 7 companies
- 2024$27,448 · 23 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $47,985 | 28 |
| Beone Medicines USA, Inc. | $12,884 | 7 |
| Bayer Healthcare Pharmaceuticals Inc. | $1,607 | 1 |
| Incyte Corporation | $1,370 | 1 |
| Amgen Inc. | $1,029 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$56,369 · 16 payments
- Consulting Fee$5,032 · 3 payments
- Travel and Lodging$2,787 · 13 payments
- Food and Beverage$841.05 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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