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. Michael Grotjahn located in the city of Mill Valley, state California. The legal address of the Doctor 45 Camino Alto. Directions to the Doctor Dr. Michael Grotjahn can be found on our interactive map. Ask your questions by calling Data not provided on workdays.</br></br></br>NPI number: Data not provided</br>Provider's gender: Data not provided</br>Practice names: Data not provided</br>Board certifications: Data not provided Your comments (not for publishing) * — Required information Dr. Michael Grotjahn - Mill Valley ← View details 45 Camino Alto, California, Mill Valley, 94941, Mill Valley, California 94941 Data not provided