What is Darrell Otsu's NPI number?

Darrell Otsu's National Provider Identifier (NPI) is 1619035839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Darrell Otsu's specialty?

Darrell Otsu is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).

Where is Darrell Otsu located?

Darrell Otsu's practice location on file with NPPES is 2 Osborn, Irvine, CA 92604.

What is Darrell Otsu's phone number?

The practice phone number listed in the NPPES registry for Darrell Otsu is (949) 551-2037.

Is Darrell Otsu's NPI active?

Yes — Darrell Otsu's NPI (1619035839) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Darrell Otsu, DDS DENTIST

NPI 1619035839 · General Practice Dentistry · Irvine, CA

Darrell Otsu, DDS DENTIST is a General Practice Dentistry provider in Irvine, CA (NPI 1619035839).

Provider details

NPI number: 1619035839
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: DDS DENTIST
Sex: Male
Sole proprietor: Yes
License: 29643 (CA)

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 29643 (CA)
Dental Providers

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

2 Osborn

Ste 150

Irvine, CA 92604

Phone: (949) 551-2037

Fax: (949) 551-9738

Street-level locationGet directions

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Mailing address