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. Gary Duane Maas located in the city of Vallejo, state California. The legal address of the Doctor 975 Sereno Dr. Directions to the Doctor Dr. Gary Duane Maas 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. Gary Duane Maas - Vallejo ← View details 975 Sereno Dr, California, Vallejo, 94589, Vallejo, California 94589 Data not provided