Steve Won-Tze Chang, MD
NPI 1154501294ActiveIndividual· Neurological Surgery· Chandler, AZ
Neurological Surgery (MD) in Chandler, Arizona, trained at University of North Carolina at Chapel Hill School of Medicine (class of 2002). Medicare paid $139,186 for services to 126 patients in 2024. Globus Medical, Inc. reported $77,312 in payments in 2025, mostly royalty or license.
Overview
| NPI | 1154501294 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 6, 2007 |
| Last updated in NPPES | May 8, 2025 |
| Certified by provider | May 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 42069 | AZ |
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 - Neurosurgery (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 126 |
|---|---|
| Services billed | 428 across 52 procedure codes |
| Paid by Medicare | $139,186 |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Neurosurgical Associates LtdChandler, AZ · 74 clinicians
Hospital affiliations
- Chandler Regional Medical CenterChandler, AZ
- St Josephs Hospital and Medical CenterPhoenix, AZ
Other facilities
- Dignity Health at HomeHome health agency · Chandler, AZ
Industry payments (Open Payments)
- 2025$77,312 · 14 payments from 1 company
- 2024$76,996 · 17 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Globus Medical, Inc. | $77,312 | 14 |
What the 2025 payments were for
- Royalty or License$77,260 · 8 payments
- Food and Beverage$52.01 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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