Individual provider · Type 1 NPI

Michael Yao-Jen Chang, DO

Pain Medicine (Physical Medicine & Rehabilitation) Physician · Walnut Creek, CA

NPI number 1205934262 Active

Practice location

2405 Shadelands Dr
Walnut Creek, CA 94598-2444

Call (925) 939-8585 Map

Fax (925) 933-2709

Mailing address

PO Box 31396
Walnut Creek, CA 94598-8396

Other practice locations

  • 101 Sand Creek Rd Ste A, Brentwood, CA 94513-2539 · (925) 939-8585
  • 101 Sand Creek Rd Ste B, Brentwood, CA 94513-2540 · (925) 939-8585

Specialties and licenses

TaxonomyCodeLicense
Pain Medicine (Physical Medicine & Rehabilitation) Physician Primary 2081P2900X20A8518 (CA)

Pain Medicine (Physical Medicine & Rehabilitation) Physician: A physician who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic or cancer pain in both hospital and ambulatory settings. Patient care needs may also be coordinated with other specialists.

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About NPI 1205934262

Michael Yao-Jen Chang, DO's National Provider Identifier is 1205934262, issued on Sep 20, 2006. The primary taxonomy on file is Pain Medicine (Physical Medicine & Rehabilitation) Physician (2081P2900X), and the practice location is in Walnut Creek, CA. The record was last updated on Nov 7, 2025.