Joseph Tolwin
NPI 1952083867ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Culver City, CA
Nurse Practitioner, Psych/Mental Health with Tolwin Psychiatric Medical Group Inc, practicing in Culver City, California. Their prescriptions cost Medicare Part D more than their services did: $668,315 for 5,429 claims, against $298,207 paid for services in 2024. Janssen Pharmaceuticals, Inc was the largest of 8 companies reporting payments in 2025, $870.84 in all, mostly food and beverage. Lists Los Angeles Community Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1952083867 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 1, 2023 |
| Last updated in NPPES | Aug 1, 2023 |
| Certified by provider | Aug 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 95026416 | 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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 759 |
|---|---|
| Services billed | 5,066 across 21 procedure codes |
| Paid by Medicare | $298,207 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,429 · 6,281 30-day fills |
|---|---|
| Patients | 352 |
| Total drug cost | $668,315 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Tolwin Psychiatric Medical Group IncCulver City, CA · 13 clinicians
Hospital affiliations
- Los Angeles Community HospitalLos Angeles, CA
- Southern California Hospital at HollywoodHollywood, CA
Industry payments (Open Payments)
- 2025$870.84 · 60 payments from 8 companies
- 2024$1,464 · 97 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $367.71 | 33 |
| Alkermes, Inc. | $181.90 | 12 |
| Neurocrine Biosciences, Inc. | $106.30 | 6 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $85.22 | 3 |
| Otsuka America Pharmaceutical, Inc. | $72.86 | 3 |
What the 2025 payments were for
- Food and Beverage$870.84 · 60 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 57 psychiatric nurse practitioners in Culver City · All psychiatric nurse practitioners in California