John Martin Stern, MD
NPI 1164440442ActiveIndividual· Psychiatry & Neurology, Neurology· Los Angeles, CA
Psychiatry & Neurology, Neurology (MD) in Los Angeles, California, trained at Icahn School of Medicine at Mount Sinai (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $1,445,399 for 1,503 claims, against $53,990 paid for services in 2024. Livanova USA, Inc. was the largest of 8 companies reporting payments in 2025, $197,077 in all, mostly speaking and faculty fees.
Overview
| NPI | 1164440442 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | Jan 14, 2020 |
| Certified by provider | Jan 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | G80787 | CA |
| Psychiatry & Neurology, Clinical Neurophysiology | 2084N0600X | G80787 | 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 - Neurology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 213 |
|---|---|
| Services billed | 466 across 20 procedure codes |
| Paid by Medicare | $53,990 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,503 · 2,066 30-day fills |
|---|---|
| Patients | 96 |
| Total drug cost | $1,445,399 |
| Generic share | 56% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaLos Angeles, CA · 97 clinicians
Hospital affiliations
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
Industry payments (Open Payments)
- 2025$197,077 · 152 payments from 8 companies
- 2024$212,281 · 139 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Livanova USA, Inc. | $50,054 | 30 |
| Sk Life Science, Inc. | $42,215 | 37 |
| Jazz Pharmaceuticals Inc. | $35,700 | 36 |
| Ceribell, Inc. | $30,543 | 10 |
| Ucb, Inc. | $20,298 | 26 |
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$82,218 · 17 payments
- Consulting Fee$54,933 · 18 payments
- Honoraria$36,750 · 11 payments
- Travel and Lodging$19,365 · 62 payments
- Food and Beverage$3,810 · 44 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Los Angeles
- 1235425307
- 1679840045
- 1124447040
- 1427543909
- 1346560661
- 1801728225
- 1376308981
- 1215777370
- 1780935130
- 1538869037
- 1487908398
- 1124290697
All Psychiatry & Neurology, Neurology providers in California →