Individual provider · Type 1 NPI

Mason Lang, OD

Optometrist · Union City, CA

NPI number 1407337439 Active

Practice location

30600 Dyer St
Union City, CA 94587-1717

Call (510) 431-3142 Map

Mailing address

500 Pawnee Pl
Fremont, CA 94539-3306

Specialties and licenses

TaxonomyCodeLicense
Optometrist 152W00000X008867 (NY)
Optometrist Primary 152W00000X34493 (CA)

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 1407337439

Mason Lang, OD's National Provider Identifier is 1407337439, issued on Aug 27, 2018. The primary taxonomy on file is Optometrist (152W00000X), and the practice location is in Union City, CA. The record was last updated on Jul 12, 2025.