Physician Profile
Sidney Chan, MD
Unclaimed ProfileAbout Dr. Chan
Sidney Chan, MD is a healthcare provider in Walnut Creek, CA specializing in diagnostic radiology. Sidney trained at University of Pittsburgh School of Medicine, graduating in 1996. According to Medicare claims data, Sidney cared for 162 Medicare patients across 180 services.
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
NPI-Registered Specialty
Credentials & Registry Details
Source: NPPES NPI Registry
Contact Information
- (925) 295-4000
- Email not available
Practice Locations
1425 S MAIN ST
Walnut Creek, CA 94596
Procedures Most Often Billed to Medicare
180 services · 162 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
73 |
| X-ray of chest, 2 views | Imaging | 71046 |
32 |
| X-ray of chest, 2 views | Imaging | 71046 |
24 |
| Ct scan head or brain without contrast | Imaging | 70450 |
22 |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
16 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
13 |
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 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other diagnostic radiology specialists in Walnut Creek 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Pittsburgh School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at University of Pittsburgh 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 1425 S MAIN ST, Walnut Creek, CA 94596. 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) 295-4000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chan's NPI number?
Dr. Chan's National Provider Identifier is 1427136522. 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 University of Pittsburgh School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chan been practicing?
Dr. Chan has 30 years experience. Calculated from a graduation year of 1996, 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 x-ray of chest, 2 views. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chan confirmed this information?
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.