State provider hub
Wisconsin NPI Registry - Provider Lookup
Look up NPI numbers for healthcare providers in Wisconsin, searchable by name, specialty, and city, drawn from the public CMS NPPES data file.
142,780
providers & organizations
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Top specialties in Wisconsin
Counselor 10,881 Nurse Practitioner 9,236 Physical Therapist 7,282 Registered Nurse 7,135 Social Worker 6,463 Dentist 6,149 Pharmacist 5,957 Internal Medicine 5,337 Physician Assistant 4,462 Family Medicine 4,335 Occupational Therapist 4,267 Chiropractor 4,249 Clinic/Center 4,119 Speech-Language Pathologist 3,817 Student in an Organized Health Care Education/Training Program 2,824 Psychologist 2,326 Physical Therapy Assistant 2,196 Pediatrics 1,973 Pharmacy 1,756 Psychiatry & Neurology 1,743 Licensed Practical Nurse 1,700 Optometrist 1,672 Anesthesiology 1,620 Emergency Medicine 1,617 Behavior Technician 1,609 Case Manager/Care Coordinator 1,543 Dietitian, Registered 1,524 Occupational Therapy Assistant 1,466 Radiology 1,453 Durable Medical Equipment & Medical Supplies 1,307
Browse by city
Milwaukee, WI 22,989 Madison, WI 16,468 Green Bay, WI 5,468 La Crosse, WI 3,963 Appleton, WI 3,914 Eau Claire, WI 3,548 Waukesha, WI 3,353 Brookfield, WI 2,530 Kenosha, WI 2,406 Wausau, WI 2,350 Wauwatosa, WI 2,267 Oshkosh, WI 1,866 Janesville, WI 1,789 West Allis, WI 1,713 Sheboygan, WI 1,688 Fond Du Lac, WI 1,529 Marshfield, WI 1,475 Racine, WI 1,407 Mequon, WI 1,355 Menomonee Falls, WI 1,189 Greenfield, WI 1,170 West Bend, WI 1,128 Neenah, WI 1,097 Stevens Point, WI 967 Manitowoc, WI 932 Fitchburg, WI 901 Franklin, WI 848 Beloit, WI 830 Mount Pleasant, WI 828 Hudson, WI 826 New Berlin, WI 814 Glendale, WI 777 Middleton, WI 766 Tomah, WI 760 De Pere, WI 741 Oak Creek, WI 695 Onalaska, WI 688 Oconomowoc, WI 683 Chippewa Falls, WI 653 Rhinelander, WI 639
Frequently asked questions
How do I look up an NPI number in Wisconsin?
Use the NPI search and select WI, or browse the specialty and city directories on this page. Every provider profile shows the NPI, taxonomy, practice address, and status.
How many healthcare providers are registered in Wisconsin?
Our latest NPPES snapshot lists 142,780 active providers and organizations with a practice location in Wisconsin.
Is this the official Wisconsin NPI registry?
No, NPI numbers are issued federally by CMS, not by states. This is a private directory built on the public CMS NPPES data file; the official registry is npiregistry.cms.hhs.gov.
Source: CMS NPPES (public data). Snapshot 2026-07-13.