Catherine Schuyler Brennan, MD
NPI 1346354990ActiveIndividual· Psychiatry & Neurology, Psychiatry· Davis, CA
Psychiatry & Neurology, Psychiatry (MD) in Davis, California, trained at University of Southern California Keck School of Medicine (class of 1990). Part D covered 275 prescriptions written in 2024, 94% of them generic. Supernus Pharmaceuticals, Inc. reported $16.33 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1346354990 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 19, 2006 |
| Last updated in NPPES | Apr 29, 2026 |
| Certified by provider | Apr 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | G73257 | CA |
| Psychiatry & Neurology, Child & Adolescent Psychiatry | 2084P0804X | G73257 | 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 - Psychiatry (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 275 · 457 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $24,329 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Mark David Levine MD Professional CorporationRiverside, CA · 181 clinicians
Industry payments (Open Payments)
- 2025$16.33 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Supernus Pharmaceuticals, Inc. | $16.33 | 1 |
What the 2025 payments were for
- Food and Beverage$16.33 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 psychiatrists in Davis · All psychiatrists in California