OrganizationActive
Guillermo S, Castillo DDS Dental Corporation
NPI 1679011472 · Dentist · Upland, CA
Guillermo S, Castillo DDS Dental Corporation is a Dentist organization in Upland, CA (NPI 1679011472).
Provider details
- NPI number
- 1679011472
- Entity type
- Organization
- Primary specialty
- DentistDental Providers
- Organization subpart
- No
- Authorized official
- Gaby Tirado, Hr Coordinator(760) 244-1111
- License
- 50896 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
1030 E Foothill Blvd # B-102
Upland, CA 91786-4057
Phone: (909) 981-3000
Fax: (909) 981-1311
Street-level locationGet directions
Mailing address
15278 Main St
Hesperia, CA 92345-3300
Registry dates
- Enumerated
- 2017-02-01
- Last updated
- 2022-10-25
- Certified
- 2022-10-25
Frequently asked questions
- What is Guillermo S, Castillo DDS Dental Corporation's NPI number?
- Guillermo S, Castillo DDS Dental Corporation's National Provider Identifier (NPI) is 1679011472, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Guillermo S, Castillo DDS Dental Corporation?
- Guillermo S, Castillo DDS Dental Corporation is classified in the NPPES registry as Dentist (Dental Providers).
- Where is Guillermo S, Castillo DDS Dental Corporation located?
- Guillermo S, Castillo DDS Dental Corporation's practice location on file with NPPES is 1030 E Foothill Blvd # B-102, Upland, CA 91786-4057.
- What is Guillermo S, Castillo DDS Dental Corporation's phone number?
- The practice phone number listed in the NPPES registry for Guillermo S, Castillo DDS Dental Corporation is (909) 981-3000.
- Who is the authorized official for Guillermo S, Castillo DDS Dental Corporation?
- The authorized official listed on Guillermo S, Castillo DDS Dental Corporation's NPPES record is Gaby Tirado, Hr Coordinator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Guillermo S, Castillo DDS Dental Corporation's NPI active?
- Yes — Guillermo S, Castillo DDS Dental Corporation's NPI (1679011472) is active in the NPPES registry as of the last update on 2022-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.