Gregory S. Van Dyke, MD, PHD
NPI 1841328614ActiveIndividual· Dermatology· Studio City, CA
Dermatology (MD, PHD) in Studio City, California, trained at University of Texas Southwestern Medical School at Dallas (class of 2001). 5,893 Medicare patients in 2024, $667,817 paid; nearly all of their 74 Part D prescriptions were generic (97%). Abbvie Inc. was the largest of 19 companies reporting payments in 2025, $2,097 in all, mostly food and beverage.
Overview
| NPI | 1841328614 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | Yes |
| NPI issued | Mar 1, 2007 |
| Last updated in NPPES | Aug 21, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A81049 | CA |
| Pathology, Dermatopathology | 207ZD0900X | A81049 | 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 - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 5,893 |
|---|---|
| Services billed | 13,965 across 29 procedure codes |
| Paid by Medicare | $667,817 |
Part D prescriptions in 2024
| Prescriptions (claims) | 74 · 86 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $5,602 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Dermatology |
| Secondary specialties | Pathology |
Medical groups
- Van Dyke Yun DermatologyStudio City, CA · 3 clinicians
- Van Dyke Yun Medical Group Pacific Dermatopathology and Jasmine Yun MDStudio City, CA · 2 clinicians
Industry payments (Open Payments)
- 2025$2,097 · 99 payments from 19 companies
- 2024$2,095 · 103 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $426.10 | 26 |
| Janssen Biotech, Inc. | $263.25 | 14 |
| Ucb, Inc. | $215.03 | 10 |
| Regeneron Healthcare Solutions, Inc. | $196.68 | 9 |
| Genzyme Corporation | $151.89 | 4 |
What the 2025 payments were for
- Food and Beverage$2,097 · 99 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in Studio City
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