Individual provider · Type 1 NPI

Diana Marie Douglas, OD

Optometrist · Warren, OH

NPI number 1144452459 Active

Practice location

302 Niles Cortland Rd NE
Warren, OH 44484-1940

Fax (330) 395-7194

Specialties and licenses

TaxonomyCodeLicense
Optometrist 152W00000X1979 (NC)
Optometrist Primary 152W00000X5534 (OH)

Optometrist: Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional e…

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About NPI 1144452459

Diana Marie Douglas, OD's National Provider Identifier is 1144452459, issued on Aug 20, 2009. The primary taxonomy on file is Optometrist (152W00000X), and the practice location is in Warren, OH. The record was last updated on Nov 21, 2025.