Cristian a Sierra, D.M.D., Inc.
NPI 1811412794 · Dental Clinic/Center · Atascadero, CA
Cristian a Sierra, D.M.D., Inc. is a Dental Clinic/Center organization in Atascadero, CA (NPI 1811412794).
Provider details
- NPI number
- 1811412794
- Entity type
- Organization
- Primary specialty
- Dental Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Cristian Sierra, President(909) 528-1252
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
Other names (DBA / former)
- Doing business as
- Drs. Guittard & Sierra Family Dentistry
Registry dates
- Enumerated
- 2017-08-11
- Last updated
- 2019-12-12
- Certified
- 2019-12-12
Frequently asked questions
- What is Cristian a Sierra, D.M.D., Inc.'s NPI number?
- Cristian a Sierra, D.M.D., Inc.'s National Provider Identifier (NPI) is 1811412794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Cristian a Sierra, D.M.D., Inc.?
- Cristian a Sierra, D.M.D., Inc. is classified in the NPPES registry as Dental Clinic/Center (Ambulatory Health Care Facilities).
- Where is Cristian a Sierra, D.M.D., Inc. located?
- Cristian a Sierra, D.M.D., Inc.'s practice location on file with NPPES is 5960 West Mall Ste a, Atascadero, CA 93422-4232.
- What is Cristian a Sierra, D.M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Cristian a Sierra, D.M.D., Inc. is (909) 528-1252.
- Who is the authorized official for Cristian a Sierra, D.M.D., Inc.?
- The authorized official listed on Cristian a Sierra, D.M.D., Inc.'s NPPES record is Cristian Sierra, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Cristian a Sierra, D.M.D., Inc.'s NPI active?
- Yes — Cristian a Sierra, D.M.D., Inc.'s NPI (1811412794) is active in the NPPES registry as of the last update on 2019-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.