Brian Leng
NPI 1710673108ActiveIndividual· Physician Assistant, Surgical· Canyon Country, CA
Physician Assistant, Surgical with Golden State Dermatology Associates, Inc. and 1 other group, practicing in Canyon Country, California. Their prescriptions cost Medicare Part D more than their services did: $183,102 for 673 claims, against $5,790 paid for services in 2024. Lilly USA, LLC was the largest of 18 companies reporting payments in 2025, $2,239 in all, mostly food and beverage.
Overview
| NPI | 1710673108 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Apr 18, 2023 |
| Last updated in NPPES | Dec 18, 2025 |
| Certified by provider | Dec 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | PA63732 | 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 | 38 |
|---|---|
| Services billed | 75 across 14 procedure codes |
| Paid by Medicare | $5,790 |
Part D prescriptions in 2024
| Prescriptions (claims) | 673 · 732 30-day fills |
|---|---|
| Patients | 170 |
| Total drug cost | $183,102 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Golden State Dermatology Associates, Inc.Saint Helena, CA · 125 clinicians
- Blair S Kranson M D IncWest Hills, CA · 4 clinicians
Industry payments (Open Payments)
- 2025$2,239 · 74 payments from 18 companies
- 2024$1,144 · 38 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $509.22 | 13 |
| E.R. Squibb & Sons, L.L.C. | $282.67 | 10 |
| Amgen Inc. | $246.33 | 9 |
| Abbvie Inc. | $199.49 | 5 |
| Arcutis Biotherapeutics, Inc. | $184.70 | 6 |
What the 2025 payments were for
- Food and Beverage$2,035 · 71 payments
- Education$194.98 · 2 payments
- Travel and Lodging$9.33 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other surgical physician assistants in Canyon Country
- 1760667240