Karen Han, MD
NPI 1811908692ActiveIndividual· Dermatology· Palo Alto, CA
Dermatology (MD) in Palo Alto, California, trained at Northwestern University Feinberg Medical School (class of 1998). 486 Medicare patients in 2024, $196,193 paid; nearly all of their 775 Part D prescriptions were generic (91%). Arcutis Biotherapeutics, Inc. was the largest of 6 companies reporting payments in 2025, $390.06 in all, mostly food and beverage.
Overview
| NPI | 1811908692 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 10, 2006 |
| Last updated in NPPES | May 13, 2020 |
| Certified by provider | May 13, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A69817 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 486 |
|---|---|
| Services billed | 3,969 across 40 procedure codes |
| Paid by Medicare | $196,193 |
Part D prescriptions in 2024
| Prescriptions (claims) | 775 · 911 30-day fills |
|---|---|
| Patients | 291 |
| Total drug cost | $243,729 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Dermatology |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Industry payments (Open Payments)
- 2025$390.06 · 9 payments from 6 companies
- 2024$306.66 · 6 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arcutis Biotherapeutics, Inc. | $183.39 | 3 |
| Sun Pharmaceutical Industries Inc. | $99.99 | 1 |
| Galderma Laboratories, L.P. | $44.13 | 2 |
| Ucb, Inc. | $29.65 | 1 |
| Regeneron Healthcare Solutions, Inc. | $17.33 | 1 |
What the 2025 payments were for
- Food and Beverage$290.07 · 8 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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