What is James Tzou's NPI number?

James Tzou's National Provider Identifier (NPI) is 1376619122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is James Tzou's specialty?

James Tzou is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).

Where is James Tzou located?

James Tzou's practice location on file with NPPES is 17 W 662 Butterfield Rd, Oakbrook Terrace, IL 60181.

What is James Tzou's phone number?

The practice phone number listed in the NPPES registry for James Tzou is (630) 705-1878.

Is James Tzou's NPI active?

Yes — James Tzou's NPI (1376619122) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

James Tzou, DDS

NPI 1376619122 · Dentist · Oakbrook Terrace, IL

James Tzou, DDS is a Dentist provider in Oakbrook Terrace, IL (NPI 1376619122).

Provider details

NPI number: 1376619122
Entity type: Individual
Primary specialty: DentistDental Providers
Credential: DDS
Sex: Male
Sole proprietor: No
License: 019019166 (IL)

Practice location

17 W 662 Butterfield Rd

Suite 206

Oakbrook Terrace, IL 60181

Phone: (630) 705-1878

Street-level locationGet directions

More IL providers

Mailing address

17 W 662 Butterfield Rd

Oakbrook Terrace, IL 60181

Specialties & taxonomies

DentistPrimary122300000XLicense 019019166 (IL)
Dental Providers

Profile Score

Detailed profile(91/100 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.

Enumerated: 2006-11-24
Last updated: 2007-07-08

Frequently asked questions

What is James Tzou's NPI number?: James Tzou's National Provider Identifier (NPI) is 1376619122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is James Tzou's specialty?: James Tzou is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
Where is James Tzou located?: James Tzou's practice location on file with NPPES is 17 W 662 Butterfield Rd, Oakbrook Terrace, IL 60181.
What is James Tzou's phone number?: The practice phone number listed in the NPPES registry for James Tzou is (630) 705-1878.
Is James Tzou's NPI active?: Yes — James Tzou's NPI (1376619122) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions