Provider Profile
Listed in the NPI registry as a physician assistant, William Fazzalaro, PA-C practices in Laguna Hills, CA. William is also listed as specializing in physician assistant — surgical. According to Medicare claims data, William cared for 87 Medicare patients across 108 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. NPI 1912065228 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
24411 HEALTH CENTER DR STE 680
Laguna Hills, CA 92653
108 services · 87 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
11 | Less often than most peers in Physician Assistant |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
53 | More often than most peers in Physician Assistant |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
32 | More often than most peers in Physician Assistant |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
12 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
William Fazzalaro is a physician assistant in Laguna Hills, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
William Fazzalaro is listed at 24411 Health Center Dr Ste 680, Laguna Hills, CA 92653. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (949) 268-4568. Contact the office directly to confirm availability and scheduling.
NPI registry
William Fazzalaro's National Provider Identifier is 1912065228. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
William Fazzalaro attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
William Fazzalaro has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, William Fazzalaro performs procedures including coronary artery bypass using artery graft, 1 graft, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by William Fazzalaro. If this is you, claiming it is free.
Guide.md
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