Suggest an Edit Name* Categories* Doctor Hospital Pharmacy Add category State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 05:00 pm Tuesday: 09:00 am — 05:00 pm Wednesday: 09:00 am — 05:00 pm Thursday: 09:00 am — 05:00 pm Friday: 09:00 am — 05:00 pm Saturday: 09:00 am — 03:00 pm Company description Dr. Natalie Chang located in the city of Walnut Creek, state California. The legal address of the Doctor 1450 Treat Blvd. Directions to the Doctor Dr. Natalie Chang can be found on our interactive map. Ask your questions by calling (925) 296-9707 on workdays.NPI number: 1548370786Provider's gender: FemalePractice names: John Muir Health - Walnut Creek Internal MedicineBoard certifications: American Board of Internal Medicine Your comments (not for publishing) * — Required information Dr. Natalie Chang - Walnut Creek ← View details 1450 Treat Blvd, California, Walnut Creek, 94597, Walnut Creek, California 94597 (925) 296-9707