Ray J. Lin
NPI 1649693540ActiveIndividual· Physician Assistant, Medical· Riverside, CA
Physician Assistant, Medical with Island Dermatology, Inc., practicing in Riverside, California. Their prescriptions cost Medicare Part D more than their services did: $396,000 for 1,514 claims, against $43,457 paid for services in 2024. Genzyme Corporation was the largest of 13 companies reporting payments in 2025, $2,858 in all, mostly food and beverage.
Overview
| NPI | 1649693540 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jan 28, 2014 |
| Last updated in NPPES | Jul 21, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 51415 | CA |
| Physician Assistant, Medical | 363AM0700X | PA08998 | TX |
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 | 154 |
|---|---|
| Services billed | 501 across 38 procedure codes |
| Paid by Medicare | $43,457 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,514 · 1,653 30-day fills |
|---|---|
| Patients | 520 |
| Total drug cost | $396,000 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Island Dermatology, Inc.Santa Ana, CA · 27 clinicians
Industry payments (Open Payments)
- 2025$2,858 · 104 payments from 13 companies
- 2024$3,370 · 104 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $449.42 | 13 |
| Regeneron Healthcare Solutions, Inc. | $409.29 | 7 |
| Abbvie Inc. | $391.34 | 16 |
| Leo Pharma Inc. | $370.56 | 13 |
| Amgen Inc. | $341.42 | 12 |
What the 2025 payments were for
- Food and Beverage$2,759 · 103 payments
- Education$99.26 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 physician assistants in Riverside · All physician assistants in California