George Chang, M.D.
NPI 1851368872ActiveIndividual· Urology· Washington, DC
Urology (M.D.) in Washington, District of Columbia, trained at Howard University College of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $225,974 for 1,492 claims, against $99,885 paid for services in 2024. Janssen Biotech, Inc. was the largest of 10 companies reporting payments in 2025, $425.10 in all, mostly food and beverage.
Overview
| NPI | 1851368872 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 8, 2006 |
| Last updated in NPPES | Apr 12, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | MD30881 | DC |
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 - Urology (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 730 |
|---|---|
| Services billed | 1,529 across 46 procedure codes |
| Paid by Medicare | $99,885 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,492 · 3,662 30-day fills |
|---|---|
| Patients | 394 |
| Total drug cost | $225,974 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Howard University College of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Hospital affiliations
- Medstar Saint Mary's HospitalLeonardtown, MD
- Medstar Washington Hospital CenterWashington, DC
Industry payments (Open Payments)
- 2025$425.10 · 14 payments from 10 companies
- 2024$290.88 · 8 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $122.75 | 3 |
| Antares Pharma, Inc. | $59.97 | 2 |
| Pfizer Inc. | $55.91 | 2 |
| Tolmar, Inc. | $34.89 | 1 |
| Telix Pharmaceuticals | $33.42 | 1 |
What the 2025 payments were for
- Food and Beverage$425.10 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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