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Dr. Mason Lang, OD

Optometrist

Lang Optometry

30600 DYER ST, Union City, CA 94587(510) 431-31428 years practicing
69/100
NPI1407337439

Is Dr. Mason Lang, OD a Good Optometrist?

Dr. Mason Lang, OD has a trust score of 69/100 — a solid, above-average rating for optometrists in Union City. With 8 years of practice (below the area average of 16), they are relatively early in their career but past the initial years.

The most important verification step for any optometrist is confirming an active, unrestricted license with the state board — use the panel on this page to check Lang's current standing and any public disciplinary actions directly at the source.

What is a general optometrist?

General optometrists examine eyes, diagnose vision problems, prescribe glasses and contact lenses, and detect eye diseases such as glaucoma and cataracts.

When to see one: For routine eye exams, glasses or contacts, and vision changes.

More about optometrists →

Trust Verification

  • NPI Active
  • License Active
  • No Disciplinary Actions
  • Credentials Verified
  • Established Practice
  • Focus Verified

Eye care in Union City, CA

Union City has 26 verified optometrists on EyeDoctorProof, with an average of about 16 years in practice, and 25 focused on optometrist. California optometrists are licensed and disciplined by the California State Board of Optometry, whose public record covers license status, board actions, citations.

Peer Comparison

8

Years practicing

16

Avg in Union City

26

Optometrists in Union City

OD

Credential

Before your appointment

  • Confirm Lang's license is active and unrestricted with the California board (link on this page).
  • Ask whether the visit is a routine exam or a medical eye evaluation, and what it covers.
  • Bring your current glasses or contacts, plus a list of medications and any family history of eye disease.
  • Ask about cost, insurance, and whether dilation or extra imaging carries a separate fee.
  • Mention symptoms like dryness, headaches, or screen strain so they can be addressed during the exam.

Frequently asked questions

Is Dr. Mason Lang, OD a licensed optometrist?

Dr. Mason Lang, OD holds a Doctor of Optometry (OD) credential and an NPI (1407337439) on file in the national provider registry. Active license status and any public disciplinary actions are maintained by the California State Board of Optometry — verify current standing using the link on this page.

How experienced is Dr. Mason Lang, OD?

Dr. Mason Lang, OD has approximately 8 years in practice, based on NPI enumeration date. The average optometrist in Union City has about 16 years. There are 26 optometrists in Union City, including 25 with a optometrist focus.

Where is Dr. Mason Lang, OD located?

Dr. Mason Lang, OD practices at Lang Optometry, 30600 DYER ST, Union City, CA 94587. Phone: (510) 431-3142.

Verify License & Discipline

License status and public disciplinary actions are maintained by the California State Board of Optometry, whose official record verifies license status, board actions, citations. Check Lang's current standing at the source:

Look up on the state board

We link to the official board rather than republishing discipline records, so you always see the most current, authoritative status.

Quick Facts

Focus
Optometrist
Credential
OD
Gender
Male
NPI Since
08/27/2018

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