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Provider Profile

Darrell G. Otsu, DDS DENTIST

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At a glance

About Dr. Otsu

Darrell G. Otsu, DDS DENTIST is a general practice dentistry based in Irvine, CA. The provider's National Provider Identifier (NPI) is 1619035839.

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

Specialty

Credentials & Licensing

CA · Dental LicenseDental Board of California
No. 29643DelinquentExpired Jan 31, 2026Since 1981
NPINational Provider Identifier
1619035839Issued 2006

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Common questions

What is Dr. Otsu's specialty?

Dr. Otsu is a dentist in Irvine, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Practice Dentistry”.

NPI registry

Where can I find Dr. Otsu?

Dr. Otsu is listed at 2 Osborn Ste 150, Irvine, CA 92604. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Otsu?

The number on file is (949) 551-2037. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Otsu?

Dr. Otsu's National Provider Identifier is 1619035839. 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. Otsu have?

Dr. Otsu 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

Is Dr. Otsu's profile verified?

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

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