Kathleen A. O'Brien
NPI 1134681364ActiveIndividual· Dermatology· Encinitas, CA
Dermatology in Encinitas, California, trained at Georgetown University School of Medicine (class of 2019). 809 Medicare patients in 2024, $252,651 paid; nearly all of their 729 Part D prescriptions were generic (95%). Incyte Corporation was the largest of 13 companies reporting payments in 2025, $635.87 in all, mostly food and beverage.
Overview
| NPI | 1134681364 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Apr 5, 2019 |
| Last updated in NPPES | Mar 26, 2025 |
| Certified by provider | Mar 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A179379 | 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 | 809 |
|---|---|
| Services billed | 5,251 across 51 procedure codes |
| Paid by Medicare | $252,651 |
Part D prescriptions in 2024
| Prescriptions (claims) | 729 · 816 30-day fills |
|---|---|
| Patients | 293 |
| Total drug cost | $111,475 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Dermatology |
| Telehealth | Offers telehealth |
Medical group
- Scripps HealthLa Jolla, CA · 1,433 clinicians
Industry payments (Open Payments)
- 2025$635.87 · 28 payments from 13 companies
- 2024$475.05 · 20 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Incyte Corporation | $84.97 | 3 |
| Arcutis Biotherapeutics, Inc. | $76.93 | 4 |
| Janssen Biotech, Inc. | $71.29 | 3 |
| Pfizer Inc. | $63.64 | 3 |
| Leo Pharma Inc. | $63.57 | 2 |
What the 2025 payments were for
- Food and Beverage$635.87 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 dermatologists in Encinitas · All dermatologists in California