Robert Sing-Yick Chang, MD
NPI 1902885833ActiveIndividual· Internal Medicine, Pulmonary Disease· Torrance, CA
Internal Medicine, Pulmonary Disease (MD) in Torrance, California, licensed in CA, with an NPI issued in January 2006. Enrolled in Medicare as practitioner - pulmonary disease.
Overview
| NPI | 1902885833 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 10, 2006 |
| Last updated in NPPES | May 10, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 52937 | CA |
| Internal Medicine | 207R00000X | 52937 | CA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 52937 | CA |
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 - Pulmonary Disease (CA) |
|---|
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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