David Chang, MD
NPI 1689733255ActiveIndividual· Radiology, Body Imaging· Upland, CA
Radiology, Body Imaging (MD) in Upland, California, trained at Perelman School of Med at the University of Pennsylvania (class of 2000). Medicare paid $16,104 for services to 229 patients in 2024. Calliditas Therapeutics US Inc. reported $32.81 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1689733255 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 8, 2006 |
| Last updated in NPPES | Sep 26, 2024 |
| Certified by provider | Sep 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Body Imaging Primary | 2085B0100X | A77999 | CA |
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 - Diagnostic Radiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 229 |
|---|---|
| Services billed | 414 across 52 procedure codes |
| Paid by Medicare | $16,104 |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Advanced Radiology P ABel Air, MD · 188 clinicians
- Chesapeake Open MRI L L CAnnapolis, MD · 18 clinicians
Industry payments (Open Payments)
- 2025$32.81 · 1 payment from 1 company
- 2024$47.04 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $32.81 | 1 |
What the 2025 payments were for
- Food and Beverage$32.81 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records