James Collen, MD
NPI 1851845945ActiveIndividual· Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology· Pomona, CA
Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology (MD) in Pomona, California, trained at Ohio State University College of Medicine (class of 2015). Enrolled in Medicare as practitioner - neurology. Supernus Pharmaceuticals, Inc. was the largest of 18 companies reporting payments in 2025, $43,780 in all, mostly honoraria.
Overview
| NPI | 1851845945 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 7, 2016 |
| Last updated in NPPES | Feb 1, 2023 |
| Certified by provider | Feb 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology Primary | 2084N0402X | A146843 | 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) |
|---|
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Neurology |
Medical group
- The Neurology Group IncPomona, CA · 19 clinicians
Industry payments (Open Payments)
- 2025$43,780 · 144 payments from 18 companies
- 2024$20,241 · 95 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Supernus Pharmaceuticals, Inc. | $37,759 | 67 |
| Acadia Pharmaceuticals Inc | $4,799 | 23 |
| Ucb, Inc. | $313.40 | 15 |
| Sk Life Science, Inc. | $150.97 | 8 |
| Teva Pharmaceuticals USA, Inc. | $147.83 | 6 |
What the 2025 payments were for
- Honoraria$32,150 · 13 payments
- Travel and Lodging$4,084 · 24 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4,050 · 4 payments
- Food and Beverage$3,441 · 102 payments
- Education$54.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records