David W. Chang, MD
NPI 1265453724ActiveIndividual· Surgery, Vascular Surgery· San Jose, CA
Surgery, Vascular Surgery (MD) in San Jose, California, trained at University of California, San Francisco School of Medicine (class of 1990). In 2024 Medicare paid $136,330 for 105 patients, and Part D covered 70 of their prescriptions, 26% of them generic. Lemaitre Vascular, Inc. was the largest of 2 companies reporting payments in 2025, $39.04 in all, mostly food and beverage.
Overview
| NPI | 1265453724 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 21, 2006 |
| Last updated in NPPES | May 12, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | G74257 | 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 - Vascular Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 105 |
|---|---|
| Services billed | 375 across 32 procedure codes |
| Paid by Medicare | $136,330 |
Part D prescriptions in 2024
| Prescriptions (claims) | 70 · 111 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $36,021 |
| Generic share | 26% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Vascular Surgery |
| Secondary specialties | Interventional Radiology, Peripheral Vascular Disease |
Hospital affiliation
- Good Samaritan HospitalSan Jose, CA
Industry payments (Open Payments)
- 2025$39.04 · 2 payments from 2 companies
- 2024$23.67 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lemaitre Vascular, Inc. | $20.47 | 1 |
| Boston Scientific Corporation | $18.57 | 1 |
What the 2025 payments were for
- Food and Beverage$39.04 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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