Justin Wu Marson, MD
NPI 1831650548ActiveIndividual· Dermatology, MOHS-Micrographic Surgery· Costa Mesa, CA
Dermatology, MOHS-Micrographic Surgery (MD) in Costa Mesa, California, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 2019). Part D covered 187 prescriptions written in 2024, 84% of them generic. Sun Pharmaceutical Industries Inc. was the largest of 19 companies reporting payments in 2025, $4,201 in all, mostly food and beverage.
Overview
| NPI | 1831650548 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 26, 2019 |
| Last updated in NPPES | Oct 1, 2026 |
| Certified by provider | Oct 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology, MOHS-Micrographic Surgery Primary | 207ND0101X | 201566 | CA |
| Dermatology | 207N00000X | 201566 | CA |
| Dermatology | 207N00000X | 306483 | NY |
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 - Dermatology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 187 · 208 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $106,127 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Dermatology |
Medical group
- James y Wang MD IncLos Angeles, CA · 16 clinicians
Hospital affiliation
- Cedars-Sinai Medical CenterLos Angeles, CA
Industry payments (Open Payments)
- 2025$4,201 · 67 payments from 19 companies
- 2024$5,702 · 78 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $713.57 | 11 |
| Genzyme Corporation | $587.29 | 6 |
| Janssen Scientific Affairs, LLC | $546.27 | 5 |
| Leo Pharma Inc. | $487.92 | 8 |
| Incyte Corporation | $431.84 | 6 |
What the 2025 payments were for
- Food and Beverage$4,201 · 67 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records