Justin Meng Ko, MD
NPI 1790912251ActiveIndividual· Dermatology· Stanford, CA
Dermatology (MD) in Stanford, California, trained at Tufts University School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $86,768 for 128 claims, against $24,676 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $15,514 in all, mostly consulting fees.
Overview
| NPI | 1790912251 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 11, 2009 |
| Last updated in NPPES | Apr 16, 2024 |
| Certified by provider | Apr 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A120641 | CA |
| Dermatology | 207N00000X | L-239279 | MA |
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 | 111 |
|---|---|
| Services billed | 492 across 26 procedure codes |
| Paid by Medicare | $24,676 |
Part D prescriptions in 2024
| Prescriptions (claims) | 128 · 276 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $86,768 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Dermatology |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$15,514 · 13 payments from 3 companies
- 2024$55,730 · 29 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $11,793 | 10 |
| Eli Lilly and Company | $3,600 | 2 |
| Genzyme Corporation | $120.78 | 1 |
What the 2025 payments were for
- Consulting Fee$15,192 · 8 payments
- Food and Beverage$198.66 · 3 payments
- Travel and Lodging$123.60 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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