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Provider Profile

William A. Ernstein, O.D.

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At a glance

About Dr. Ernstein

William A. Ernstein, O.D. is an optometrist practicing in Palatine, IL. This provider record is associated with NPI 1427133420.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Optometrist (Primary)

Credentials & Licensing

NPINational Provider Identifier
1427133420Issued 2006

As reported to the NPI registry ↗

Common questions

What is William A. Ernstein's specialty?

William A. Ernstein is an optometrist in Palatine, IL. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find William A. Ernstein?

William A. Ernstein is listed at 251 E Northwest Hwy, Palatine, IL 60067. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact William A. Ernstein?

The number on file is (847) 358-4950. Contact the office directly to confirm availability and scheduling.

NPI registry

What is William A. Ernstein's NPI number?

William A. Ernstein's National Provider Identifier is 1427133420. 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 William A. Ernstein been practicing?

William A. Ernstein has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has William A. Ernstein confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by William A. Ernstein. If this is you, claiming it is free.

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Guide.md listings do not constitute medical advice or an endorsement.

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