IndividualActive
William Breen, DDS
NPI 1164517405 · General Practice Dentistry · Eugene, OR
William Breen, DDS is a General Practice Dentistry provider in Eugene, OR (NPI 1164517405).
Provider details
- NPI number
- 1164517405
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
- License
- D8180 (OR)
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
895 Country Club Rd
C-100
Eugene, OR 97401-6003
Phone: (541) 343-1877
Fax: (541) 343-3831
Street-level locationGet directions
Mailing address
3210 Inspiration Point Dr
Eugene, OR 97405-2320
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2009-12-30
Frequently asked questions
- What is William Breen's NPI number?
- William Breen's National Provider Identifier (NPI) is 1164517405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Breen's specialty?
- William Breen is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is William Breen located?
- William Breen's practice location on file with NPPES is 895 Country Club Rd, Eugene, OR 97401-6003.
- What is William Breen's phone number?
- The practice phone number listed in the NPPES registry for William Breen is (541) 343-1877.
- Is William Breen's NPI active?
- Yes — William Breen's NPI (1164517405) is active in the NPPES registry as of the last update on 2009-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.