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. William Loy Yap located in the city of Catonsville, state Maryland. The legal address of the Doctor 724 Maiden Choice Ln. Directions to the Doctor Dr. William Loy Yap can be found on our interactive map. Ask your questions by calling 4107446566 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: American Board of Internal Medicine Certification in Internal Medicine American Board of Internal Medicine Sub-certificate in Rheumatology (Internal Medicine) Your comments (not for publishing) * — Required information Dr. William Loy Yap - Catonsville ← View details 724 Maiden Choice Ln, Maryland, Catonsville, 21228, Catonsville, Maryland 21228 4107446566