Doctor profile · Federal record
Dr. Ronald Chan, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Walnut Creek, CA
- NPI 1154367993
- MIPS 87.4 / 100 · 2023
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2125 Oak Grove RD, Suite 200
Walnut Creek, CA 945982536
(925) 296-7150
fax (925) 296-7171
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- April 2, 2015
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- California #A82947
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154367993. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11,702
Distinct HCPCS
10
Medicare allowed
$238,835
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
A9585 |
Injection, gadobutrol, 0.1 ml | 7,435 | 85 | $0 | |
71045 |
X-ray of chest, 1 view | 799 | 714 | $10 | |
73721 |
Mri scan of leg joint without contrast | 295 | 255 | $117 | |
72148 |
Mri scan of lower spinal canal without contrast | 241 | 240 | $98 | |
73221 |
Mri scan of arm joint without contrast | 240 | 214 | $108 | |
71046 |
X-ray of chest, 2 views | 231 | 225 | $12 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 167 | 161 | $99 | |
71250 |
Ct scan of chest without contrast | 149 | 149 | $58 | |
70450 |
Ct scan head or brain without contrast | 122 | 121 | $45 | |
74176 |
Ct scan of abdomen and pelvis without contrast | 120 | 119 | $94 |
In context: peer comparison
Among 33 peers in Walnut Creek Diagnostic Radiology Physician, average services per provider: 176. This provider delivers 66× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Ronald Chan's medical specialty?
Dr. Ronald Chan practices Diagnostic Radiology Physician in Walnut Creek, CA.
Where does Dr. Ronald Chan practice?
Dr. Ronald Chan practices at 2125 Oak Grove RD, Walnut Creek, CA 945982536. Office phone: 9252967150.
What is Dr. Ronald Chan's NPI?
Dr. Ronald Chan's National Provider Identifier (NPI) is 1154367993, issued by NPPES.
Does Dr. Ronald Chan accept Medicare assignment?
Dr. Ronald Chan does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Ronald Chan commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadobutrol, 0.1 ml (HCPCS A9585); X-ray of chest, 1 view (HCPCS 71045); Mri scan of leg joint without contrast (HCPCS 73721). Source: CMS Medicare Physician & Other Practitioners file.