Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Don L Bremer, MD

Ophthalmology Physician in Columbus, OH · enumerated 2005.

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

National Provider Identifier

1821082413

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Registry record

Entity type Individual (Type 1)

Name Don L Bremer

Credential MD

Sex Male

Practice address 555 S 18th St, 4c, Columbus, OH, 43205

Phone (614) 224-6222

Fax (614) 241-5232

Enumeration date Sep 9, 2005

Last updated in NPPES Apr 24, 2025

Taxonomy & licenses

207WX0110X Pediatric Ophthalmology and Strabismus Specialist Physician Allopathic & Osteopathic Physicians · License 35040584 (OH) Secondary

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 35040584 (OH) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
0439805	Medicaid	OH	-

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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Don Bremer?

Don Bremer is registered in NPPES with the primary taxonomy of Ophthalmology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-24.