Finding your doctor online is very useful especially when you are living in a huge city , therefore there are many web services and sites provide search and locating doctors for patients . Almost all of those services aimed for USA citizens . but some other countries have very rich doctors search services and directories as well ( i didn’t list them in here ) .

1-Vitals http://www.vitals.com/ :
Vitals provides easy searching and locating doctors , its also allow the web surfer to rate doctors as well . Searching for doctors can be with Specialty and location .
2-ZocDoc http://www.zocdoc.com/ :
Searching and locating doctors in USA , It includes a dentist directory as well in NewYork and WDC .
3-Doctor.com http://www.doctor.com/ :
Doctor.com is a doctor profiles directory in USA , it provides easy and fast locating doctors regarding their specialties , health insurance and cities . It includes more than 1.5 million health professionals .
4-DocBoard.org http://www.docboard.org/docfinder.html :
USA Doctors locating service .
5-Webmd.com – link :
Including doctors search .
6-RateMds : http://www.ratemds.com
Locating Doctors in USA and Canada .
7-Healthgrades.com http://www.healthgrades.com :
Healthgrades.com is a web directory for healthcare services providers including doctors , hospitals , medical centers , nursing homes and dentists . It give the choice to the web surfer to rate doctors , and healthcare services .
8-FindDoc.com http://www.findadoc.com :
Search and locating doctors in USA and filtering by rates .
9-Revolutionhealth.com http://www.revolutionhealth.com/doctors :
Includes Doctor search as a useful feature for the community members , but with more search options and filtering as filtering doctors by gender and languages .
10-CiteHealth.com http://citehealth.com :
Health-care providers directory
11-Doctrs.com http://www.doctrs.com
locating doctors but also works also as Doctors social networking
12-Doctoralia.com http://www.doctoralia.com .
Search engine for medical professionals and health-care service providers ready for some other countries than USA .