Organization · Type 2 NPI

DR Mason Lang Od Inc

Optometrist · Union City, CA

NPI number 1689333502 Active

Practice location

30600 Dyer St
Union City, CA 94587-1717

Call (510) 431-3142 Map

Fax (510) 324-8591

Mailing address

500 Pawnee Pl
Fremont, CA 94539-3306

Other practice locations

  • 7150 Camino Arroyo, Gilroy, CA 95020-7351 · (408) 848-1868

Specialties and licenses

TaxonomyCodeLicense
Optometrist Primary 152W00000XNone listed

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…

11 other providers at this address

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About NPI 1689333502

DR Mason Lang Od Inc's National Provider Identifier is 1689333502, issued on Dec 8, 2021. 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.