Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* </br></br><b>Other Patrick F. Callahan, MD Practice</b></br>Pediatric Cardiology</br></br><b>Office Hours</b></br>Monday ClosedTuesday ClosedWednesday ClosedThursday 9:00 AM - 3:30 PM</br>Friday ClosedSaturday Closed</br>Sunday Closed</br></br>Please find here the reviews and contact details of Patrick F. Callahan, MD in Waldorf. Info on Patrick F. Callahan, MD includes the main phone number (703) 876-8410 for Patrick F. Callahan, MD, a fax number (703) 876-8417, plus the street address 12070 Old Line Ctr Ste 303 Waldorf, MD 20602 for Patrick F. Callahan, MD in Waldorf with clean directions to Patrick F. Callahan, MD and a printable map to Patrick F. Callahan, MD. You can also find the opening hours for this Waldorf doctor. We ask our visitors to take the time to write their review of Patrick F. Callahan, MD or any other doctors they have worked with. Right now there are 0 reviews for medical doctors in Waldorf, and 0 reviews of medical doctors in Maryland. Your comments* (not for publishing) * — Required information Patrick F. Callahan, MD ← View details 12070 Old Line Ctr Ste 303 Waldorf, MD 20602, Waldorf, (US) Maryland (703) 876-8410