Castle Connolly

A leader in healthcare provider research and ratings.

For over 30 years, patients have turned to Castle Connolly as the official source of Top Doctors to find trusted, quality care. Our mission is to help people find the best healthcare by connecting patients with premier healthcare providers.

Our list is based on nominations from doctors themselves. Although we ask physicians to consider many criteria when nominating their fellow providers, the premise is simple – as a doctor, where would you go if you needed care?

67,000+ Top Doctors

Based on peer nominations and a rigorous research process

Top 7% of physicians

Only 7% of U.S. physicians in the U.S. are selected as Castle Connolly Top Doctors

55,000+ nominations

Over 55,000 nominations received annually by trusted peers

Recent News

Yahoo! Finance  
¶¶ÒõÆÆ½â°æ, Inc. (NASDAQ: ZD) will release its Third Quarter 2025 Earnings at 6:00PM ET on Thursday, November 6, 2025. Additionally, Ziff Davis invites the public, members of the press, the financial community, stockholders, and other interested parties to listen to a live audio Webcast of its Third Quarter 2025 Earnings Call at 8:30AM ET on Friday, November 7, 2025.
Yahoo! Finance  
¶¶ÒõÆÆ½â°æ, Inc. (NASDAQ: ZD) today announced its participation in one investor conference in November: 2025 RBC Capital Markets Global Technology, Internet, Media and Telecommunications Conference.
Yahoo! Finance  
¶¶ÒõÆÆ½â°æ, Inc. (NASDAQ: ZD), announced today that it completed two acquisitions in the third quarter of 2025: Semantic Labs (Cybersecurity & Martech) and Etrality (Connectivity).
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