Karen Woo
NPI 1285889923ActiveIndividual· Surgery, Vascular Surgery· Los Angeles, CA
Surgery, Vascular Surgery with The Regents of the University of California, practicing in Los Angeles, California. Mostly services rather than prescriptions: Medicare paid $146,705 for 556 patients in 2024, with only 40 Part D claims. Medtronic, Inc. was the largest of 4 companies reporting payments in 2025, $355.44 in all, mostly food and beverage. Lists Ronald Reagan UCLA Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1285889923 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Nov 21, 2008 |
| Last updated in NPPES | Dec 20, 2019 |
| Certified by provider | Dec 20, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | A81758 | CA |
| Surgery | 208600000X | A81758 | 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 - Vascular Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 556 |
|---|---|
| Services billed | 1,250 across 59 procedure codes |
| Paid by Medicare | $146,705 |
Part D prescriptions in 2024
| Prescriptions (claims) | 40 · 61 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $7,899 |
| Generic share | 63% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Vascular Surgery |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaLos Angeles, CA · 18 clinicians
Hospital affiliations
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
Other facilities
- Vanguard Home Health Care, Inc.Home health agency · Burbank, CA
Industry payments (Open Payments)
- 2025$355.44 · 9 payments from 4 companies
- 2024$582.72 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $189.62 | 6 |
| Endologix LLC | $102.52 | 1 |
| Shockwave Medical, Inc | $37.57 | 1 |
| Tactile Systems Technology Inc | $25.73 | 1 |
What the 2025 payments were for
- Food and Beverage$355.44 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 81 vascular surgeons in Los Angeles · All vascular surgeons in California