Individual
MICHAEL YAO-JEN CHANG
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
D.O.
Contact information
Practice address
2405 SHADELANDS DR, WALNUT CREEK, CA 94598-2444
(925) 939-8585
(925) 933-2709
Mailing address
PO BOX 31396, WALNUT CREEK, CA 94598-8396
(925) 939-8585
(925) 933-2709
Taxonomy
Speciality
Code
Description
License number
State
2081P2900X
Pain Medicine (Physical Medicine & Rehabilitation) Physician
Primary
20A8518
CA
Other
Enumeration date
09/20/2006
Last updated
11/07/2025
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