Doctor profile · Federal record
Dr. William Silveira, MD
Radiation Oncology Physician (CMS: Radiation Oncology) · Clovis, CA
- NPI 1447494398
- Accepts Medicare
- MIPS 80.2 / 100 · 2023
- 17 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
785 N. Medical Center Drive West
Clovis, CA 93611
(559) 387-1600
fax (559) 387-1677 - Mailing address
-
7257 N Fresno St
Fresno, CA 937202950
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- March 18, 2021
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- California #A115447
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1447494398. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,550
Distinct HCPCS
10
Medicare allowed
$290,098
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 1,300 | 78 | $46 | |
77300 |
Calculation of radiation therapy dose | 555 | 104 | $34 | |
77334 |
Design and construction of complex radiation treatment device | 381 | 108 | $62 | |
77427 |
Radiation treatment management, 5 treatment sessions | 366 | 94 | $197 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 207 | 123 | $36 | |
77263 |
Complex radiation therapy planning | 98 | 93 | $171 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 98 | 75 | $67 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 95 | 95 | $135 | |
77295 |
3d radiation therapy planning | 73 | 61 | $233 | |
77280 |
Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | 61 | 40 | $39 |
In context: peer comparison
Among 1 peers in Clovis Radiation Oncology Physician, average services per provider: 186. This provider delivers 19× the peer median.Open Payments
Industry payments received
All-time total
$18
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novocure INC. | 1 | $18.24 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
17
Patients
0
Total drug cost
$297
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Dexamethasone | Generic | 17 | 0 | $297 |
Frequently asked questions
What is Dr. William Silveira's medical specialty?
Dr. William Silveira practices Radiation Oncology Physician in Clovis, CA.
Where does Dr. William Silveira practice?
Dr. William Silveira practices at 785 N. Medical Center Drive West, Clovis, CA 93611. Office phone: 5593871600.
What is Dr. William Silveira's NPI?
Dr. William Silveira's National Provider Identifier (NPI) is 1447494398, issued by NPPES.
Does Dr. William Silveira accept Medicare assignment?
Yes. Dr. William Silveira accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Silveira commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Design and construction of complex radiation treatment device (HCPCS 77334). Source: CMS Medicare Physician & Other Practitioners file.