Top 10 Best-Rated Infectious Disease Doctors in the US (2026)

The Top 10 US Infectious Disease doctors on The Doctor Directory are ranked by combined patient rating and review volume from 4885 verified reviews across 9 cities and 1 states. #1 is Dr. Roberto Mercado of Sarasota, Florida with 4.99/5 across 498 reviews. Click any name to view the profile and contact the practice directly.

Avg 4.9510 doctors9 cities1 statesUpdated 2026-07-28

The Top 10 Infectious Disease Doctors

How This Ranking Is Built

Each doctor's score is rating × ln(reviews + 2). A doctor with 500 reviews at 4.95 ranks higher than one with 5 reviews at 5.0 because volume reflects sustained satisfaction across many cases. Only doctors with 20+ verified reviews are eligible for the ranking. All reviews are human-moderated before publication.

FAQ

Who is the best Infectious Disease doctor in the US?

Dr. Roberto Mercado of Sarasota, Florida is the highest-rated Infectious Disease doctor on The Doctor Directory with a 4.99/5.0 rating across 498 verified patient reviews.

How are these Infectious Disease doctors ranked?

Each doctor's score combines patient rating with log of review volume - a doctor with 500 reviews at 4.95 ranks higher than one with 5 reviews at 5.0.

How do I contact a top-rated doctor from this list?

Click any doctor's name to open their profile, then submit the consultation request form - it goes directly to the practice email.

Reviewed by The Doctor Directory Editorial Team · Verified against the federal NPI Registry.
Last verified: 2026-07-28