Kenneth Karkay Leung, MD
NPI 1801259007ActiveIndividual· Psychiatry & Neurology, Neuromuscular Medicine· Stanford, CA
Psychiatry & Neurology, Neuromuscular Medicine (MD) with Stanford Health Care, practicing in Stanford, California. Their prescriptions cost Medicare Part D more than their services did: $1,058,335 for 250 claims, against $64,267 paid for services in 2024. Ucb, Inc. reported $15.00 in payments in 2025, mostly education. Lists Stanford Health Care and 1 other hospital as hospital affiliations.
Overview
| NPI | 1801259007 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 4, 2016 |
| Last updated in NPPES | Nov 10, 2023 |
| Certified by provider | Nov 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neuromuscular Medicine Primary | 2084N0008X | 161172 | CA |
| Psychiatry & Neurology, Neurology | 2084N0400X | 161172 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 223 |
|---|---|
| Services billed | 715 across 14 procedure codes |
| Paid by Medicare | $64,267 |
Part D prescriptions in 2024
| Prescriptions (claims) | 250 · 496 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $1,058,335 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Neurology |
| 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$15.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $15.00 | 1 |
What the 2025 payments were for
- Education$15.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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