What is William DO's NPI number?

William DO's National Provider Identifier (NPI) is 1093900458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William DO's specialty?

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

Where is William DO located?

William DO's practice location on file with NPPES is 945 Central Ave, Tracy, CA 95376-3950.

What is William DO's phone number?

The practice phone number listed in the NPPES registry for William DO is (209) 836-0443.

Is William DO's NPI active?

Yes — William DO's NPI (1093900458) is active in the NPPES registry as of the last update on 2007-09-10.

IndividualActive

William DO, D.D.S.

NPI 1093900458 · General Practice Dentistry · Tracy, CA

William DO, D.D.S. is a General Practice Dentistry provider in Tracy, CA (NPI 1093900458).

Provider details

NPI number: 1093900458
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: D.D.S.
Sex: Male
Sole proprietor: No
License: 43527 (CA)

Practice location

945 Central Ave

Tracy, CA 95376-3950

Phone: (209) 836-0443

Fax: (209) 836-0490

Street-level locationGet directions

More CA providers

Mailing address

945 Central Ave

Tracy, CA 95376-3950

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 43527 (CA)
Dental Providers

Profile Score

Detailed profile(89/100 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: 2007-09-10
Last updated: 2007-09-10

Frequently asked questions

What is William DO's NPI number?: William DO's National Provider Identifier (NPI) is 1093900458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William DO's specialty?: William DO is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
Where is William DO located?: William DO's practice location on file with NPPES is 945 Central Ave, Tracy, CA 95376-3950.
What is William DO's phone number?: The practice phone number listed in the NPPES registry for William DO is (209) 836-0443.
Is William DO's NPI active?: Yes — William DO's NPI (1093900458) is active in the NPPES registry as of the last update on 2007-09-10.

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