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

Michael Yao-Jen Chang, DO

Individual provider Pain Medicine (Physical Medicine & Rehabilitation) Physician · NPI 1205934262

Michael Yao-Jen Chang, DO is a Physical Medicine and Rehabilitation in Walnut Creek, California. Qualified in 2002, 24 years ago. Practices with Golden State Orthopedics and Spine, a 190-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
24
Licensed in
CA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

2405 Shadelands Dr
Walnut Creek, CA 94598-2444
Phone: (925) 939-8585
Fax: (925) 933-2709
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 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 & licences

Pain Medicine (Physical Medicine & Rehabilitation) Physician (primary) Taxonomy 2081P2900X · Licence 20A8518 (CA)

Record details

NPI number1205934262
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESNovember 7, 2025
Certification dateNovember 7, 2025
Mailing addressPo Box 31396, Walnut Creek, CA 94598-8396

Medicare enrollment

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

Medicare specialtyPHYSICAL MEDICINE AND REHABILITATION
Also practisesPAIN MANAGEMENT
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Golden State Orthopedics And Spine — 190 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare

Other providers in Walnut Creek