William Tsao, MD
NPI 1073923777ActiveIndividual· Psychiatry & Neurology, Neurology· Baltimore, MD
Psychiatry & Neurology, Neurology (MD) in Baltimore, Maryland, trained at Johns Hopkins University School of Medicine (class of 2015). 430 Medicare patients in 2024, $91,012 paid; nearly all of their 515 Part D prescriptions were generic (97%). Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $194.46 in all, mostly food and beverage.
Overview
| NPI | 1073923777 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 2, 2014 |
| Last updated in NPPES | Aug 19, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | D87508 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 430 |
|---|---|
| Services billed | 723 across 23 procedure codes |
| Paid by Medicare | $91,012 |
Part D prescriptions in 2024
| Prescriptions (claims) | 515 · 1,289 30-day fills |
|---|---|
| Patients | 152 |
| Total drug cost | $134,732 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Neurology |
Medical group
- Greater Baltimore Medical CenterTowson, MD · 354 clinicians
Hospital affiliation
- Greater Baltimore Medical CenterBaltimore, MD
Industry payments (Open Payments)
- 2025$194.46 · 11 payments from 2 companies
- 2024$81.41 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $166.63 | 10 |
| Alexion Pharmaceuticals, Inc. | $27.83 | 1 |
What the 2025 payments were for
- Food and Beverage$194.46 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Baltimore
- 1043844897
- 1013792985
- 1215635610
- 1861224859
- 1124056551
- 1528880804
- 1861417545
- 1700195575
- 1730841628
- 1023988193
- 1356346100
- 1467936427
All Psychiatry & Neurology, Neurology providers in Maryland →