Organization
DR MASON LANG OD INC
Active
Other names
Open Eye Optometry
Organization subpart
No
Provider details
NPI number
Authorized official
DR. MASON LANG OD (OWNER)
(510) 456-5848
Entity
Organization
Contact information
Practice address
30600 DYER ST, UNION CITY, CA 94587-1717
(510) 431-3142
(510) 324-8591
Mailing address
500 PAWNEE PL, FREMONT, CA 94539-3306
(510) 456-5848
Taxonomy
Speciality
Code
Description
License number
State
152W00000X
Optometrist
Primary
—
—
Other
Enumeration date
12/08/2021
Last updated
07/12/2025
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