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James Wadnizak, DDS
NPI 1720013238 · General Practice Dentistry · Brentwood, CA
James Wadnizak, DDS is a General Practice Dentistry provider in Brentwood, CA (NPI 1720013238).
Provider details
- NPI number
- 1720013238
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 16725 (CA)
Specialties & taxonomies
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
8425 Brentwood Blvd Ste A7
Brentwood, CA 94513-1365
Phone: (925) 634-4443
Street-level locationGet directions
Mailing address
682 Southwood Dr
Brentwood, CA 94513-1532
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Wadnizak's NPI number?
- James Wadnizak's National Provider Identifier (NPI) is 1720013238, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Wadnizak's specialty?
- James Wadnizak is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is James Wadnizak located?
- James Wadnizak's practice location on file with NPPES is 8425 Brentwood Blvd Ste A7, Brentwood, CA 94513-1365.
- What is James Wadnizak's phone number?
- The practice phone number listed in the NPPES registry for James Wadnizak is (925) 634-4443.
- Is James Wadnizak's NPI active?
- Yes — James Wadnizak's NPI (1720013238) 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.