James William Langston, MD
NPI 1659306371ActiveIndividual· Psychiatry & Neurology, Clinical Neurophysiology· Stanford, CA
Psychiatry & Neurology, Clinical Neurophysiology (MD) in Stanford, California, trained at University of Missouri, Columbia School of Medicine (class of 1967). Their prescriptions cost Medicare Part D more than their services did: $432,246 for 633 claims, against $15,409 paid for services in 2024. Abbvie Inc. reported $20.29 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1659306371 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Nov 9, 2023 |
| Certified by provider | Nov 9, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Clinical Neurophysiology Primary | 2084N0600X | G21759 | CA |
| Psychiatry & Neurology, Neurology | 2084N0400X | G21759 | 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 - Neuropsychiatry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 44 |
|---|---|
| Services billed | 183 across 4 procedure codes |
| Paid by Medicare | $15,409 |
Part D prescriptions in 2024
| Prescriptions (claims) | 633 · 1,258 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $432,246 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 1967 |
| Medicare specialty | Neuropsychiatry |
| Secondary specialties | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$20.29 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $20.29 | 1 |
What the 2025 payments were for
- Food and Beverage$20.29 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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