David Jun Sing Wong, MD, PHD
NPI 1316972201ActiveIndividual· Dermatology· Stanford, CA
Dermatology (MD, PHD) with Stanford Health Care and 1 other group, practicing in Stanford, California. Their prescriptions cost Medicare Part D more than their services did: $1,904,840 for 1,057 claims, against $170,330 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $812.06 in all, mostly food and beverage. Lists Stanford Health Care as a hospital affiliation.
Overview
| NPI | 1316972201 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Oct 12, 2023 |
| Certified by provider | Oct 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A84286 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 648 |
|---|---|
| Services billed | 2,457 across 28 procedure codes |
| Paid by Medicare | $170,330 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,057 · 1,162 30-day fills |
|---|---|
| Patients | 241 |
| Total drug cost | $1,904,840 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Dermatology |
| Telehealth | Offers telehealth |
Medical groups
- Stanford Health CareStanford, CA · 3,122 clinicians
- Direct Dermatology Professionals PCManteca, CA · 7 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$812.06 · 39 payments from 16 companies
- 2024$738.05 · 38 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $114.60 | 5 |
| Strata Skin Sciences, Inc. | $87.24 | 9 |
| Stryker Corporation | $81.66 | 1 |
| Incyte Corporation | $61.88 | 4 |
| Amgen Inc. | $61.43 | 3 |
What the 2025 payments were for
- Food and Beverage$812.06 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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