Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Carl Olson Optometry LLC

Optometrist in Sandusky, OH · enumerated 2012 · authorized official Carl Olson, Optometrist.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1861746422

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Registry record

Entity type Organization (Type 2)

Legal business name Carl Olson Optometry LLC

Practice address 178 E Market St, Sandusky, OH, 44870

Phone (419) 502-3239

Fax (419) 502-9467

Enumeration date Nov 5, 2012

Last updated in NPPES Mar 18, 2014

Taxonomy & classification

152W00000X Optometrist Eye and Vision Services Providers · License OH5137 (OH) Primary

Authorized official

Name Carl Olson

Title Optometrist

Phone (614) 439-2275

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is Carl Olson Optometry LLC located?

The practice location on file with NPPES is in Sandusky, OH.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2014-03-18. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-03-18.