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Infectious Disease Providers in the United States

Data updated monthly · Last refresh September 2026

10,752 Infectious Disease providers practice across all 50 states and Washington DC, and 36% received drug or device company payments in 2025. California has the most at 1,121. Listings are drawn from federal public records and are not endorsements.

10,752providers
51states
36%with industry payments

Industry payment share ranges from 64% in Nevada to 12% in Minnesota, among states with 25 or more providers.

Infectious Disease providers by state

StateProvidersReceived payments
Infectious Disease in California1,12137%
Infectious Disease in New York96831%
Infectious Disease in Florida75754%
Infectious Disease in Texas67946%
Infectious Disease in Pennsylvania54829%
Infectious Disease in Massachusetts48819%
Infectious Disease in Illinois46328%
Infectious Disease in Maryland41225%
Infectious Disease in New Jersey37855%
Infectious Disease in Georgia35641%
Infectious Disease in Ohio35339%
Infectious Disease in Michigan30139%
Infectious Disease in North Carolina29240%
Infectious Disease in Washington26222%
Infectious Disease in Virginia23831%
Infectious Disease in Minnesota21312%
Infectious Disease in Missouri21338%
Infectious Disease in Connecticut20028%
Infectious Disease in Tennessee19442%
Infectious Disease in Colorado18332%
Infectious Disease in Arizona17233%
Infectious Disease in Wisconsin17118%
Infectious Disease in Indiana16256%
Infectious Disease in Louisiana13048%
Infectious Disease in Oregon12818%
Infectious Disease in South Carolina12060%
Infectious Disease in Alabama11256%
Infectious Disease in Kentucky11256%
Infectious Disease in Washington DC10925%
Infectious Disease in Iowa7419%
Infectious Disease in Oklahoma6639%
Infectious Disease in Rhode Island6515%
Infectious Disease in Kansas6542%
Infectious Disease in Nevada6464%
Infectious Disease in Utah6420%
Infectious Disease in Nebraska6250%
Infectious Disease in New Hampshire4914%
Infectious Disease in West Virginia4721%
Infectious Disease in New Mexico4732%
Infectious Disease in Hawaii4045%
Infectious Disease in Mississippi3956%
Infectious Disease in Arkansas3847%
Infectious Disease in Maine3415%
Infectious Disease in Delaware3361%
Infectious Disease in Idaho2928%
Infectious Disease in South Dakota24not reported
Infectious Disease in Montana23not reported
Infectious Disease in Vermont19not reported
Infectious Disease in North Dakota17not reported
Infectious Disease in Alaska12not reported
Infectious Disease in Wyoming6not reported

Conditions Infectious Disease providers in the United States commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Infectious Disease providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Infectious Disease providers are there in the United States?

There are 10,752 Infectious Disease providers with active NPI records across all 50 states and Washington DC, according to federal NPPES data refreshed monthly. California has the most at 1,121.

What share of Infectious Disease providers received drug or device company payments?

3,869 of 10,752 Infectious Disease providers nationally (36%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program. The share is highest in Nevada at 64% and lowest in Minnesota at 12%.

What conditions do Infectious Disease providers treat?

Infectious Disease providers commonly treat long COVID, HIV care, Lyme disease, recurrent infections, travel medicine and related conditions. Individual practices vary.

Where does this data come from?

Provider counts come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties Ask Zach for help choosing

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.