Doctor profile · Federal record
Dr. William Gonser, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Fairfield, CA
- NPI 1952348617
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1200 B Gale Wilson Blvd
Fairfield, CA 945333552
(707) 464-6510
fax (707) 256-3508 - Mailing address
-
Po Box 3222
Napa, CA 945580293
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- April 16, 2012
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- California #G73301
- Medicaid
- CA #00G733010
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952348617. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
819
Distinct HCPCS
10
Medicare allowed
$17,024
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
71045 |
X-ray of chest, 1 view | 275 | 216 | $9 | |
73560 |
X-ray of knee, 1-2 views | 82 | 76 | $8 | |
72170 |
X-ray of pelvis, 1-2 views | 54 | 50 | $9 | |
71046 |
X-ray of chest, 2 views | 42 | 42 | $11 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 38 | 37 | $87 | |
70450 |
Ct scan head or brain without contrast | 36 | 35 | $41 | |
74018 |
X-ray of abdomen, 1 view | 34 | 32 | $9 | |
76770 |
Complete ultrasound scan behind abdominal cavity | 29 | 26 | $35 | |
70551 |
Mri scan of brain without contrast | 24 | 24 | $72 | |
73030 |
X-ray of shoulder, minimum of 2 views | 24 | 24 | $9 |
In context: peer comparison
Among 1 peers in Fairfield Diagnostic Radiology Physician, average services per provider: 37. This provider delivers 22× the peer median.Frequently asked questions
What is Dr. William Gonser's medical specialty?
Dr. William Gonser practices Diagnostic Radiology Physician in Fairfield, CA.
Where does Dr. William Gonser practice?
Dr. William Gonser practices at 1200 B Gale Wilson Blvd, Fairfield, CA 945333552. Office phone: 7074646510.
What is Dr. William Gonser's NPI?
Dr. William Gonser's National Provider Identifier (NPI) is 1952348617, issued by NPPES.
Does Dr. William Gonser accept Medicare assignment?
Yes. Dr. William Gonser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Gonser commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); X-ray of knee, 1-2 views (HCPCS 73560); X-ray of pelvis, 1-2 views (HCPCS 72170). Source: CMS Medicare Physician & Other Practitioners file.