Roger Zierenberg, DDS, MS
NPI 1285803833 · Orthodontics and Dentofacial Orthopedics Dentistry · Thousand Oaks, CA
Roger Zierenberg, DDS, MS is a Orthodontics and Dentofacial Orthopedics Dentistry provider in Thousand Oaks, CA (NPI 1285803833).
Provider details
- NPI number
- 1285803833
- Entity type
- Individual
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Credential
- DDS, MS
- Sex
- Male
- Sole proprietor
- No
- License
- 24627 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
Mailing address
Registry dates
- Enumerated
- 2008-02-28
- Last updated
- 2008-02-28
Frequently asked questions
- What is Roger Zierenberg's NPI number?
- Roger Zierenberg's National Provider Identifier (NPI) is 1285803833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Zierenberg's specialty?
- Roger Zierenberg is listed in the NPPES registry with a primary specialty of Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is Roger Zierenberg located?
- Roger Zierenberg's practice location on file with NPPES is 250 Lombard St, Thousand Oaks, CA 91360-5830.
- What is Roger Zierenberg's phone number?
- The practice phone number listed in the NPPES registry for Roger Zierenberg is (805) 495-5474.
- Is Roger Zierenberg's NPI active?
- Yes — Roger Zierenberg's NPI (1285803833) is active in the NPPES registry as of the last update on 2008-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.