What is William Dempsey's NPI number?

William Dempsey's National Provider Identifier (NPI) is 1598779753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Dempsey's specialty?

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

Where is William Dempsey located?

William Dempsey's practice location on file with NPPES is 390 W Napa St, Sonoma, CA 95476-6517.

What is William Dempsey's phone number?

The practice phone number listed in the NPPES registry for William Dempsey is (707) 938-8575.

Is William Dempsey's NPI active?

Yes — William Dempsey's NPI (1598779753) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

William Dempsey, DDS

NPI 1598779753 · General Practice Dentistry · Sonoma, CA

William Dempsey, DDS is a General Practice Dentistry provider in Sonoma, CA (NPI 1598779753).

Provider details

NPI number: 1598779753
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: DDS
Sex: Male
Sole proprietor: Yes
License: 20746 (CA)

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 20746 (CA)
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.

Practice location

390 W Napa St

Sonoma, CA 95476-6517

Phone: (707) 938-8575

Fax: (707) 996-5041

Street-level locationGet directions

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Mailing address