Christopher Bruce Lock, MD
NPI 1427205061ActiveIndividual· Psychiatry & Neurology, Clinical Neurophysiology· Stanford, CA
Psychiatry & Neurology, Clinical Neurophysiology (MD) with Stanford Health Care, practicing in Stanford, California. Their prescriptions cost Medicare Part D more than their services did: $583,233 for 412 claims, against $36,244 paid for services in 2024. Amgen Inc. was the largest of 2 companies reporting payments in 2025, $12,341 in all, mostly speaking and faculty fees. Lists Memorial Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1427205061 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 26, 2008 |
| Last updated in NPPES | Nov 10, 2023 |
| Certified by provider | Nov 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Clinical Neurophysiology Primary | 2084N0600X | A53673 | CA |
| Psychiatry & Neurology, Neurology | 2084N0400X | A53673 | 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 | 163 |
|---|---|
| Services billed | 286 across 6 procedure codes |
| Paid by Medicare | $36,244 |
Part D prescriptions in 2024
| Prescriptions (claims) | 412 · 621 30-day fills |
|---|---|
| Patients | 84 |
| Total drug cost | $583,233 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Neuropsychiatry |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Memorial Medical CenterModesto, CA
- Peninsula Medical CenterBurlingame, CA
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$12,341 · 16 payments from 2 companies
- 2024$20,624 · 17 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $12,315 | 15 |
| Biogen, Inc. | $25.80 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$11,000 · 5 payments
- Travel and Lodging$1,163 · 8 payments
- Food and Beverage$178.22 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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