NPI Lookup for Health Care Organizations

NPI Number One ( helps you easily look up more than 994,678 health care organizations in the United States of America. NPI Number One provides detailed information, including organization overview, representatives, specialities, practice locations, and more. All information produced by the NPI Number One is actually provided in accordance with the NPPES Data Dissemination Notice. The NPPES creates a record for each health care provider to whom it assigns an NPI. Below is the list of broad categories of medical works where the health care providers participate in.

  • Agencies

    A non-facility provider that renders outpatient outreach services that are not provided at a specific location. The licensure or registration is assigned to the agency rather than to the individual practitioners as would be the case in a group practice.

  • Ambulatory Health Care Facilities

    A facility or distinct part of one that provides services on an outpatient basis in a fixed location or specifically designed mobile unit. An Ambulatory Care Facility does not provide overnight accommodations.

  • Hospital Units

    A distinct part of a general acute care hospital. The distinctness of a unit is determined by characteristics such as the following: the unit has admission and discharge records that are separately identified from those of the hospital; the hospital has policies specifying that necessary clinical information is transferred to the unit when a patient of the hospital is transferred to the unit; the hospital’s utilization review plan includes separate standards for the type of care offered in the unit; the beds assigned to the unit are physically separate from beds not included in the unit; the unit is treated as a separate cost center for cost reporting, funding and apportionment purposes.

  • Hospitals

    A health care organization that has a governing body, an organized medical staff and professional staff and inpatient facilities and provides medical nursing and related services for ill and injured patients 24 hrs per day, seven days per week. For licensing purposes, each state has its own definition of hospital.

  • Laboratories

    A room or building equipped for scientific experimentation, research, testing, or clinical studies of materials, fluids, or tissues obtained from patients.

  • Managed Care Organizations

    Definition to come...

  • Nursing & Custodial Care Facilities

    Broad category identifying licensed facilities with inpatient beds specializing in nursing and custodial care.

  • Other Service Providers

    Providers not otherwise classified, who perform or administer services in or related to the delivery or research of health care services, disease, and restoration of health. A non-individual provider who is not represented in one of the identified categories but whose data may be needed for clinical, operational or administrative processes.

  • Residential Treatment Facilities

    Live in facilities where patients or clients, who because of their physical, mental, or emotional condition, are not able to live independently, and who receive treatment appropriate to their particular needs in a less restrictive environment than an inpatient facility. For example, an RTC may provide educational training and therapy for children with emotional disturbances or continuing care and therapy for people with severe mental handicaps.

  • Respite Care Facility

    A facility with dorm rooms where individuals who are unable to care for themselves may stay on a short term basis overnight to allow relief to persons normally providing care to them.

  • Suppliers

    Suppliers, pharmacies, and other health care providers who supply health care related products or medications and associated professional and administrative services.

  • Transportation Services

    A provider who moves a patient, tissue specimen or equipment from one location to another