Look up any NPI number
Find a U.S. health care provider's NPI by number, name, organization or (for nonprofits) tax ID, with their specialty and practice location. Free, and straight from the official CMS registry.
The registry at a glance
Common specialties
Behavior Technician591,180Clinical Social Worker353,398Mental Health Counselor328,030Pharmacist297,527Physical Therapist297,300Student in an Organized Health Care Education/Training Program273,534Family Nurse Practitioner248,252Speech-Language Pathologist217,972Family Medicine Physician209,708Internal Medicine Physician191,739 All 883
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Providers by state
- Alabama
- Alaska
- American Samoa
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Guam
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Northern Mariana Islands
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Puerto Rico
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- U.S. Virgin Islands
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Counts are active NPIs in the NPPES file published September 13, 2026, grouped by the state of each provider's practice location and by primary specialty. They count records, not practicing clinicians: some providers hold an NPI but no longer practice.