Ohio NPI Registry — Provider Lookup

Look up NPI numbers for healthcare providers in Ohio. Our latest NPPES snapshot includes 400,777 active providers and organizations with a practice location in Ohio, searchable by name, specialty, and city.

Top specialties in Ohio

Case Manager/Care Coordinator in OH (34,348)
Counselor in OH (31,851)
Nurse Practitioner in OH (23,413)
Social Worker in OH (22,204)
Registered Nurse in OH (14,510)
Internal Medicine in OH (13,403)
Student in an Organized Health Care Education/Training Program in OH (13,147)
Licensed Practical Nurse in OH (12,635)
Pharmacist in OH (12,506)
Home Health Aide in OH (11,221)
Dentist in OH (11,009)
Home Health in OH (9,763)
Physical Therapist in OH (8,872)
Clinic/Center in OH (8,042)
Speech-Language Pathologist in OH (7,830)
Family Medicine in OH (7,802)
Behavior Technician in OH (7,355)
Homemaker in OH (6,740)
Physician Assistant in OH (6,534)
Psychologist in OH (6,181)
Technician in OH (5,915)
Occupational Therapist in OH (5,321)
Pediatrics in OH (5,279)
Chiropractor in OH (4,806)
Community/Behavioral Health in OH (3,846)
Optometrist in OH (3,834)
Community Health Worker in OH (3,794)
In Home Supportive Care in OH (3,764)
Psychiatry & Neurology in OH (3,745)
Nurse Anesthetist, Certified Registered in OH (3,666)

Browse by city

Columbus, OH (43,989)
Cincinnati, OH (37,139)
Cleveland, OH (34,247)
Toledo, OH (16,212)
Dayton, OH (14,970)
Akron, OH (13,150)
Canton, OH (7,065)
Youngstown, OH (5,995)
Dublin, OH (5,649)
Westerville, OH (4,085)
Chillicothe, OH (3,322)
Mansfield, OH (3,283)
Beachwood, OH (3,226)
Lima, OH (3,197)
Hamilton, OH (2,958)
Warren, OH (2,791)
Springfield, OH (2,768)
Athens, OH (2,751)
North Canton, OH (2,695)
Wooster, OH (2,477)
West Chester, OH (2,455)
Mentor, OH (2,335)
Worthington, OH (2,335)
Lorain, OH (2,322)
Portsmouth, OH (2,322)
Westlake, OH (2,224)
Euclid, OH (2,029)
Lancaster, OH (2,000)
Zanesville, OH (1,989)
Parma, OH (1,987)
Newark, OH (1,973)
Medina, OH (1,967)
Kettering, OH (1,952)
Mason, OH (1,889)
Findlay, OH (1,789)
Fairfield, OH (1,649)
Middletown, OH (1,626)
Pickerington, OH (1,598)
Grove City, OH (1,535)
Marion, OH (1,520)

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 400,777 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 2026-07-09.