Derrick Bernard Johnson, PA
NPI 1609093277ActiveIndividual· Physician Assistant· Torrance, CA
Physician Assistant (PA) with Healthcare Partners Affiliates Medical Group, practicing in Torrance, California. Their prescriptions cost Medicare Part D more than their services did: $48,824 for 1,157 claims, against $6,630 paid for services in 2024.
Overview
| NPI | 1609093277 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Apr 18, 2007 |
| Last updated in NPPES | Dec 26, 2025 |
| Certified by provider | Dec 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA15689 | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 82 |
|---|---|
| Services billed | 197 across 31 procedure codes |
| Paid by Medicare | $6,630 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,157 · 2,015 30-day fills |
|---|---|
| Patients | 392 |
| Total drug cost | $48,824 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Healthcare Partners Affiliates Medical GroupAnaheim, CA · 754 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 93 physician assistants in Torrance · All physician assistants in California