Wieke H. Liem, M.D.
NPI 1164452546ActiveIndividual· Dermatology· Tustin, CA
Dermatology (M.D.) in Tustin, California, trained at University of California, Irvine, California College of Medicine (class of 1989). 669 Medicare patients in 2024, $205,280 paid; nearly all of their 734 Part D prescriptions were generic (92%). Ucb, Inc. was the largest of 19 companies reporting payments in 2025, $3,274 in all, mostly food and beverage.
Overview
| NPI | 1164452546 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 3, 2006 |
| Last updated in NPPES | Sep 14, 2023 |
| Certified by provider | Sep 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | G70387 | 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 | 669 |
|---|---|
| Services billed | 5,970 across 42 procedure codes |
| Paid by Medicare | $205,280 |
Part D prescriptions in 2024
| Prescriptions (claims) | 734 · 873 30-day fills |
|---|---|
| Patients | 261 |
| Total drug cost | $185,379 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of California, Irvine, California College of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Dermatology |
Industry payments (Open Payments)
- 2025$3,274 · 94 payments from 19 companies
- 2024$3,906 · 111 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $558.60 | 9 |
| Janssen Biotech, Inc. | $433.53 | 11 |
| Abbvie Inc. | $421.25 | 11 |
| Galderma Laboratories, L.P. | $324.33 | 7 |
| Genzyme Corporation | $288.18 | 7 |
What the 2025 payments were for
- Food and Beverage$3,174 · 93 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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