Steven Daniel Chang, MD
NPI 1437214046ActiveIndividual· Neurological Surgery· Stanford, CA
Neurological Surgery (MD) in Stanford, California, trained at Stanford University School of Medicine (class of 1993). Mostly services rather than prescriptions: Medicare paid $274,111 for 240 patients in 2024, with only 37 Part D claims. Accuray Incorporated reported $3,592 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1437214046 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 26, 2006 |
| Last updated in NPPES | Apr 26, 2024 |
| Certified by provider | Apr 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | G080252 | CA |
| Surgery, Surgical Critical Care | 2086S0102X | G080252 | 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 - Neurosurgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 240 |
|---|---|
| Services billed | 643 across 46 procedure codes |
| Paid by Medicare | $274,111 |
Part D prescriptions in 2024
| Prescriptions (claims) | 37 · 41 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $755.08 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$3,592 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Accuray Incorporated | $3,592 | 1 |
What the 2025 payments were for
- Consulting Fee$3,592 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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