Physician Profile
Unclaimed ProfileAbout CHAN
Ronald Chan, M.D. practices diagnostic radiology in Walnut Creek, CA. Ronald is a 1998 graduate of New York University School of Medicine. Medicare claims data shows Ronald provided 6,917 services to 3,301 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (925) 296-7150
- Email not available
Practice Locations
2125 OAK GROVE RD SUITE 200
Walnut Creek, CA 94598
Procedures Most Often Billed to Medicare
6,917 services · 3,301 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
881 |
| Mri scan of leg joint without contrast | Imaging | 73721 |
333 |
| Mri scan of arm joint without contrast | Imaging | 73221 |
299 |
| X-ray of chest, 2 views | Imaging | 71046 |
228 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
181 |
| Ct scan head or brain without contrast | Imaging | 70450 |
151 |
| Ct scan of chest without contrast | Imaging | 71250 |
142 |
| X-ray of abdomen, 1 view | Imaging | 74018 |
119 |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
110 |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
102 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other diagnostic radiology specialists at this location 8
Same specialty, same street address — most likely the same department or group.
Other diagnostic radiology specialists in Walnut Creek 4
Same specialty, same city.
Trained at New York University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1998 at New York University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Chan's specialty?
Dr. Chan is a diagnostic radiology in Walnut Creek, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Where can I find Dr. Chan?
Dr. Chan is listed at 2125 OAK GROVE RD SUITE 200, Walnut Creek, CA 94598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Chan?
The number on file is (925) 296-7150. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Chan?
Dr. Chan's National Provider Identifier is 1154367993. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Chan's medical education?
Dr. Chan attended New York University School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chan have?
Dr. Chan has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Chan known for?
According to Medicare billing data, Dr. Chan performs imaging including x-ray of chest, 1 view and mri scan of leg joint without contrast; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Chan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chan. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.