21. Doctorpage.com

Directory of doctors and physicians websites.

22. Dr-411

Physician search and statistics services with a database of over 629,000 U.S. doctors.

23. Filipino Physicians Database

Information on Filipino doctors worldwide.

24. AMA Physician Select

Provides information on member physicians in the United States.

25. American doctor referral network

Physician directory and referral service online.

26. Consumers Checkbook

Guide to 15,000 top rated doctors. Nonprofit consumer group lists for medical care. Fee based access.

27. Active Health Management

Resources and healthcare provider locator.

28. MedAvenue

Search for a doctor or dentist by specialty, state, city, or zip code.

29. MediGuide

An on-line directory of hospitals and physicians available all over the world in 16 languages. Services help both referring physicians and consumers.