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Provider Profile

John J. Oneill, DDS

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At a glance

About Dr. Oneill

Listed in the NPI registry as a dentist, John J. Oneill, DDS practices in Chula Vista, CA. NPI 1659584217 identifies this record in the national registry.

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

Specialty

Dentist (Primary)

Credentials & Licensing

CA · Dental LicenseDental Board of California
No. 24322DelinquentExpired Jan 31, 2026Since 1974
NPINational Provider Identifier
1659584217Issued 2007

Snapshot · verify with the board ↗

Common questions

What is Dr. Oneill's specialty?

Dr. Oneill is a dentist in Chula Vista, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Dr. Oneill?

Dr. Oneill is listed at 345 F St Ste 290, Chula Vista, CA 91910. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Oneill?

The number on file is (619) 420-4523. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Oneill?

Dr. Oneill's National Provider Identifier is 1659584217. 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 much experience does Dr. Oneill have?

Dr. Oneill has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Dr. Oneill's profile verified?

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

Guide.md

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