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 Karen Sonnenthal located in the city of Walnut Creek, state California. The legal address of the Doctor 1450 Treat Blvd. Directions to the Doctor Karen Sonnenthal can be found on our interactive map. Ask your questions by calling (925) 296-9720 on workdays.</br></br></br>NPI number: 1942229463</br>Provider's gender: Female</br>Practice names: John Muir Health - Walnut Creek Family Medicine</br>Board certifications: Data not provided Your comments (not for publishing) * — Required information Karen Sonnenthal - Walnut Creek ← View details 1450 Treat Blvd, California, Walnut Creek, 94597, Walnut Creek, California 94597 (925) 296-9720