Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR MASON LANG OD INC
Active OrganizationDR MASON LANG OD INC is a Optometrist organization located in UNION CITY, California. NPI 1689333502 is currently active in the NPPES registry. Verify at CMS.
Optometrist · UNION CITY, CA
Registration Details
- NPI Number
- 1689333502
- Provider Type
- Organization
- NPI Issued
- Dec 8, 2021 (4.6716110728492 yrs)
- Last Updated
- Jul 12, 2025
Practice Information
- Address
-
30600 DYER STUNION CITY, CA, 945871717Browse CA providers · Browse ZIP 94587
- Phone
- 5104313142
- Fax
- 5103248591
- Primary Specialty
-
Optometrist
152W00000X
Other Optometrist Organizations in UNION CITY, CA
| Name | NPI |
|---|---|
| FIRSTSIGHT VISION SERVICES, INC. | 1215117957 |
| GARY M. LOUIE O.D. INC. | 1134491012 |
| DR. ANGELA WONG, INC | 1740924000 |
Data sourced from the NPPES National Provider Identifier registry. Healthcare organizations registered in NPPES are assigned an NPI number for use in insurance billing and claims. This information is for informational purposes only. For official verification, use the NPPES NPI Registry.