Provider Profile
Mary Nguyen, O.D.
Unclaimed ProfileAbout Dr. Nguyen
Listed in the NPI registry as an optometrist, Mary Nguyen, O.D. practices in Castro Valley, CA. NPI 1285981274 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (510) 581-1680
- Email not available
Practice Locations
3550 CASTRO VALLEY BLVD
Castro Valley, CA 94546
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other optometrists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What kind of doctor is Mary Nguyen?
Mary Nguyen is an optometrist in Castro Valley, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Mary Nguyen's address?
Mary Nguyen is listed at 3550 Castro Valley Blvd, Castro Valley, CA 94546. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mary Nguyen?
The number on file is (510) 581-1680. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mary Nguyen's NPI number?
Mary Nguyen's National Provider Identifier is 1285981274. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Mary Nguyen been practicing?
Mary Nguyen has 14+ years experience. Registered with an NPI since 2012. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Mary Nguyen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Nguyen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.