Doctor profile · Federal record
Dr. William McMaster, M.D.
Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Specialist · Orange, CA
- NPI 1336175058
- Accepts Medicare
- 60 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1310 W Stewart Dr, Suite 508
Orange, CA 928683854
(714) 633-2111
fax (714) 633-5615
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- March 3, 2025
- Year of graduation
- 1966 — 60 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- California #G20323
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336175058. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
30
Distinct HCPCS
2
Medicare allowed
$2,562
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 15 | $71 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 13 | 11 | $105 |
In context: peer comparison
Among 12 peers in Orange Orthopaedic Surgery Physician, average services per provider: 389. This provider delivers 0.1× the peer median.Open Payments
Industry payments received
All-time total
$175
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Davol INC. | 1 | $175.02 |
By nature of payment
Frequently asked questions
What is Dr. William McMaster's medical specialty?
Dr. William McMaster practices Orthopaedic Surgery Physician in Orange, CA.
Where does Dr. William McMaster practice?
Dr. William McMaster practices at 1310 W Stewart Dr, Orange, CA 928683854. Office phone: 7146332111.
What is Dr. William McMaster's NPI?
Dr. William McMaster's National Provider Identifier (NPI) is 1336175058, issued by NPPES.
Does Dr. William McMaster accept Medicare assignment?
Yes. Dr. William McMaster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William McMaster commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.