Walter Chang, MD
NPI 1497851919ActiveIndividual· Anesthesiology· Duarte, CA
Anesthesiology (MD) in Duarte, California, trained at New York Medical College (class of 2001). Medicare paid $45,536 for services to 252 patients in 2024. Csl Behring was the largest of 2 companies reporting payments in 2025, $78.77 in all, mostly food and beverage.
Overview
| NPI | 1497851919 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 15, 2006 |
| Last updated in NPPES | Dec 16, 2020 |
| Certified by provider | Dec 16, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | A90067 | 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 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 - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 252 |
|---|---|
| Services billed | 329 across 60 procedure codes |
| Paid by Medicare | $45,536 |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Anesthesiology |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Industry payments (Open Payments)
- 2025$78.77 · 2 payments from 2 companies
- 2024$198.11 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Csl Behring | $54.98 | 1 |
| Cumberland Pharmaceuticals, Inc. | $23.79 | 1 |
What the 2025 payments were for
- Food and Beverage$78.77 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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