Doctor profile · Federal record
Dr. William Fazzalaro, PA-C
Surgical Physician Assistant (CMS: Physician Assistant) · Laguna Hills, CA
- NPI 1912065228
- Accepts Medicare
- MIPS 84.4 / 100 · 2023
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
24411 Health Center Dr Ste 680
Laguna Hills, CA 926533692
(949) 268-4568
fax (949) 455-2795
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- February 26, 2025
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 363AS0400X — NUCC code
- State license (1)
- California #PA16754
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912065228. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
122
Distinct HCPCS
6
Medicare allowed
$14,236
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 33 | 23 | $65 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 25 | 20 | $45 | |
33533 |
Coronary artery bypass using artery graft, 1 graft | 19 | 19 | $227 | |
33508 |
Harvest of vein using an endoscope | 16 | 16 | $9 | |
33427 |
Radical reconstruction of mitral valve on heart-lung machine | 15 | 15 | $332 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 14 | 13 | $108 |
In context: peer comparison
Among 4 peers in Laguna Hills Surgical Physician Assistant, average services per provider: 27. This provider delivers 4.5× the peer median.Open Payments
Industry payments received
All-time total
$438
Transactions
5
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Atricure, INC. | 1 | $143.43 | |
| EnableCV INC. | 1 | $136.73 | |
| Edwards Lifesciences Corporation | 1 | $110.42 | |
| Getinge USA Sales, LLC | 1 | $26.01 | |
| Solventum Corporation | 1 | $21.79 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
133
Patients
125
Total drug cost
$896
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Potassium Chloride | Generic | 21 | 19 | $181 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 19 | 19 | $100 |
| Furosemide | Generic | 18 | 18 | $44 |
| Methylprednisolone | Generic | 18 | 17 | $186 |
| Warfarin Sodium | Generic | 16 | 11 | $79 |
| Metoprolol Succinate | Generic | 15 | 15 | $80 |
| Amiodarone Hcl | Generic | 14 | 14 | $175 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 12 | 12 | $50 |
Frequently asked questions
What is Dr. William Fazzalaro's medical specialty?
Dr. William Fazzalaro practices Surgical Physician Assistant in Laguna Hills, CA.
Where does Dr. William Fazzalaro practice?
Dr. William Fazzalaro practices at 24411 Health Center Dr Ste 680, Laguna Hills, CA 926533692. Office phone: 9492684568.
What is Dr. William Fazzalaro's NPI?
Dr. William Fazzalaro's National Provider Identifier (NPI) is 1912065228, issued by NPPES.
Does Dr. William Fazzalaro accept Medicare assignment?
Yes. Dr. William Fazzalaro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Fazzalaro commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533). Source: CMS Medicare Physician & Other Practitioners file.