William Fazzalaro, PA-C
NPI 1912065228ActiveIndividual· Physician Assistant, Surgical· Laguna Hills, CA
Physician Assistant, Surgical (PA-C) with Memorialcare Medical Foundation, practicing in Laguna Hills, California. 107 Medicare patients in 2024, $14,925 paid; nearly all of their 128 Part D prescriptions were generic (98%). Intuitive Surgical, Inc. was the largest of 7 companies reporting payments in 2025, $2,987 in all, mostly education. Lists Memorialcare Saddleback Medical Center as a hospital affiliation.
Overview
| NPI | 1912065228 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Dec 6, 2006 |
| Last updated in NPPES | Feb 26, 2025 |
| Certified by provider | Feb 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | PA16754 | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 107 |
|---|---|
| Services billed | 175 across 37 procedure codes |
| Paid by Medicare | $14,925 |
Part D prescriptions in 2024
| Prescriptions (claims) | 128 · 137 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $2,294 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Memorialcare Medical FoundationLong Beach, CA · 566 clinicians
Hospital affiliation
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
Industry payments (Open Payments)
- 2025$2,987 · 18 payments from 7 companies
- 2024$438.38 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $2,509 | 5 |
| Edwards Lifesciences Corporation | $279.75 | 5 |
| Atricure, Inc. | $71.38 | 3 |
| Getinge USA Sales, LLC | $55.00 | 2 |
| Abiomed | $36.11 | 1 |
What the 2025 payments were for
- Education$1,375 · 1 payment
- Travel and Lodging$1,134 · 4 payments
- Food and Beverage$477.76 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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