Besides asking your friends and family for input on different doctors you may be considering, consult the local medical society in your community. It may be listed in the telephone book by the city or county name, such as the Nueces County Medical Society located in Corpus Christi. Hospitals he has trained or worked in. Areas of Specialization of Sub specialty. Affiliations with reputable universities, teaching hospitals and hospitals extending privileges are one good indication of the level of quality for which that doctor is recognized.
Web sites offer useful information.
Some, like the American Medical Association's Doctor Finder or the Dallas County Medical Society web site, include a searchable database where you can locate a doctor by name, specialty or zip code. You can find listings of doctors certifications at the American Board of Medical Specialties web site Familiarizing yourself with the personality, attitude, philosophies, office policies and staff of your candidate for primary care physician is also a very good idea. Call the doctor's office and ask questions. See how the staff treats you. How does he select the other specialist he might refer you to.