State provider hub
Ohio NPI Registry - Provider Lookup
Look up NPI numbers for healthcare providers in Ohio, searchable by name, specialty, and city, drawn from the public CMS NPPES data file.
403,239
providers & organizations
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Top specialties in Ohio
Case Manager/Care Coordinator 34,859 Counselor 32,057 Nurse Practitioner 23,588 Social Worker 22,330 Registered Nurse 14,546 Internal Medicine 13,472 Student in an Organized Health Care Education/Training Program 12,729 Licensed Practical Nurse 12,665 Pharmacist 12,637 Home Health Aide 11,272 Dentist 11,054 Home Health 9,806 Physical Therapist 8,904 Clinic/Center 8,114 Family Medicine 7,849 Speech-Language Pathologist 7,847 Behavior Technician 7,470 Homemaker 6,843 Physician Assistant 6,578 Psychologist 6,220 Technician 5,952 Occupational Therapist 5,347 Pediatrics 5,345 Chiropractor 4,808 Community/Behavioral Health 3,874 Optometrist 3,846 Community Health Worker 3,830 In Home Supportive Care 3,812 Psychiatry & Neurology 3,786 Nurse Anesthetist, Certified Registered 3,703
Browse by city
Columbus, OH 44,260 Cincinnati, OH 37,287 Cleveland, OH 34,471 Toledo, OH 16,379 Dayton, OH 15,055 Akron, OH 13,224 Canton, OH 7,105 Youngstown, OH 6,013 Dublin, OH 5,708 Westerville, OH 4,100 Chillicothe, OH 3,338 Mansfield, OH 3,299 Beachwood, OH 3,249 Lima, OH 3,205 Hamilton, OH 2,966 Warren, OH 2,796 Athens, OH 2,792 Springfield, OH 2,782 North Canton, OH 2,704 Wooster, OH 2,500 West Chester, OH 2,478 Worthington, OH 2,362 Mentor, OH 2,342 Portsmouth, OH 2,337 Lorain, OH 2,332 Westlake, OH 2,243 Euclid, OH 2,045 Zanesville, OH 2,011 Lancaster, OH 2,006 Parma, OH 1,998 Medina, OH 1,987 Newark, OH 1,976 Kettering, OH 1,970 Mason, OH 1,899 Findlay, OH 1,794 Fairfield, OH 1,660 Middletown, OH 1,636 Pickerington, OH 1,622 Grove City, OH 1,542 Marion, OH 1,522
Frequently asked questions
How do I look up an NPI number in Ohio?
Use the NPI search and select OH, 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 Ohio?
Our latest NPPES snapshot lists 403,239 active providers and organizations with a practice location in Ohio.
Is this the official Ohio 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.