As of April 1st, 2019 (no fooling!)
the office of
Bonnie Frank Carter, PhD
and bfc networks, ltd
is moving to 640 Crestwood Road
Wayne, PA 19087-2315

610 213-6695

Additional information on the Directions page.
Directions from the former office are as follows:

Left at Upper Gulph at the top of the Radnor Road hill
Upper Gulph ends at a stop sign & T with King of Prussia Rd
Turn left onto King of Prussia Road CAREFULLY -
On-coming traffic does not have a stop sign
Down the hill, up & down again, turn right onto Weadley Rd
Follow Weadley as it winds around to a stop sign
Turn left at the stop sign onto Forest Road 
(to the left it's called Hughes)
A very quick left onto Brookwood Road,
and another quick right turn onto Crestwood
At the end of this long Crestwood cul-de-sac, 
640 is the 3rd from last house on the right

Parking is on the street
(just don't block the mailbox) 
or as a second car in the driveway