Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Sidney Chan, MD

Individual provider Diagnostic Radiology Physician · NPI 1427136522

Sidney Chan, MD is a Diagnostic Radiology in Walnut Creek, California. Graduated from University of Pittsburgh School of Medicine in 1996, 30 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
30
Trained at
University of Pittsburgh School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1425 S Main St
Walnut Creek, CA 94596-5318
Phone: (925) 295-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence A65087 (CA)

Record details

NPI number1427136522
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 2, 2006
Last updated in NPPESDecember 17, 2021
Mailing address1800 Harrison St Fl 7, Oakland, CA 94612-3466

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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