Viviane Winthrop, DDS
NPI 1538185186 · Dentist · Atascadero, CA
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Viviane Winthrop, DDS is a Dentist provider in Atascadero, CA (NPI 1538185186).
Provider details
- NPI number
- 1538185186
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DDS
- Sex
- Female
- Sole proprietor
- No
- License
- D5839 (AZ)
Specialties & taxonomies
Dental Providers
Dental Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-07-15
- Last updated
- 2019-06-18
Frequently asked questions
- What is Viviane Winthrop's NPI number?
- Viviane Winthrop's National Provider Identifier (NPI) is 1538185186, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Viviane Winthrop's specialty?
- Viviane Winthrop is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Viviane Winthrop located?
- Viviane Winthrop's practice location on file with NPPES is 10333 El Camino Real, Atascadero, CA 93422-5808.
- What is Viviane Winthrop's phone number?
- The practice phone number listed in the NPPES registry for Viviane Winthrop is (805) 468-2000.
- Does Viviane Winthrop accept Medicare?
- Viviane Winthrop is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Viviane Winthrop's NPI active?
- Yes — Viviane Winthrop's NPI (1538185186) is active in the NPPES registry as of the last update on 2019-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.