Patricia K. Loo, P.A.
NPI 1083755862ActiveIndividual· Physician Assistant, Surgical· Walnut Creek, CA
Physician Assistant, Surgical (P.A.) with Golden State Dermatology Associates, Inc., practicing in Walnut Creek, California. 1,136 Medicare patients in 2024, $413,158 paid; nearly all of their 1,226 Part D prescriptions were generic (97%). Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,384 in all, mostly food and beverage.
Overview
| NPI | 1083755862 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | No |
| NPI issued | Feb 12, 2007 |
| Last updated in NPPES | Jan 25, 2023 |
| Certified by provider | Jan 25, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | PA18624 | CA |
| Physician Assistant | 363A00000X | PA18624 | CA |
| Physician Assistant, Surgical | 363AS0400X | PA186214 | — |
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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,136 |
|---|---|
| Services billed | 11,026 across 62 procedure codes |
| Paid by Medicare | $413,158 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,226 · 1,393 30-day fills |
|---|---|
| Patients | 537 |
| Total drug cost | $68,411 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Golden State Dermatology Associates, Inc.Saint Helena, CA · 125 clinicians
Industry payments (Open Payments)
- 2025$1,384 · 59 payments from 16 companies
- 2024$2,169 · 83 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $261.91 | 10 |
| Incyte Corporation | $249.70 | 10 |
| Galderma Laboratories, L.P. | $239.66 | 14 |
| Ucb, Inc. | $100.33 | 4 |
| Regeneron Healthcare Solutions, Inc. | $83.26 | 3 |
What the 2025 payments were for
- Food and Beverage$1,384 · 59 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 surgical physician assistants in Walnut Creek · All surgical physician assistants in California