Doctor profile · Federal record
Dr. William Castro, M.D.
Family Medicine Physician · Huntington Beach, CA
- NPI 1366607848
- 18 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8041 Newman Ave
Huntington Beach, CA 926477034
(714) 500-0228
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- October 10, 2013
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A119270
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366607848. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$33
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Hologic Sales and Service, LLC | 1 | $32.56 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,027
Patients
660
Total drug cost
$166,180
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 312 | 107 | $6,923 |
| Metformin Hcl | Generic | 232 | 78 | $4,083 |
| Losartan Potassium | Generic | 190 | 62 | $4,774 |
| Lisinopril | Generic | 175 | 55 | $2,495 |
| Gabapentin | Generic | 140 | 51 | $3,157 |
| Ozempic (Semaglutide) | Brand | 133 | 24 | $130,423 |
| Hydrochlorothiazide | Generic | 120 | 39 | $555 |
| Amlodipine Besylate | Generic | 115 | 38 | $1,535 |
| Omeprazole | Generic | 111 | 40 | $2,665 |
| Glipizide | Generic | 108 | 36 | $1,920 |
Frequently asked questions
What is Dr. William Castro's medical specialty?
Dr. William Castro practices Family Medicine Physician in Huntington Beach, CA.
Where does Dr. William Castro practice?
Dr. William Castro practices at 8041 Newman Ave, Huntington Beach, CA 926477034. Office phone: 7145000228.
What is Dr. William Castro's NPI?
Dr. William Castro's National Provider Identifier (NPI) is 1366607848, issued by NPPES.