Guillermo Arellano, D.M.D.
NPI 1437411287 · Dentist · Elk Grove, CA
Guillermo Arellano, D.M.D. is a Dentist provider in Elk Grove, CA (NPI 1437411287).
Provider details
- NPI number
- 1437411287
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- D.M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 61387 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$69 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-07
- Last updated
- 2012-06-08
Frequently asked questions
- What is Guillermo Arellano's NPI number?
- Guillermo Arellano's National Provider Identifier (NPI) is 1437411287, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guillermo Arellano's specialty?
- Guillermo Arellano is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Guillermo Arellano located?
- Guillermo Arellano's practice location on file with NPPES is 9024 Franklin Blvd, Elk Grove, CA 95758-9586.
- What is Guillermo Arellano's phone number?
- The practice phone number listed in the NPPES registry for Guillermo Arellano is (510) 427-4578.
- Is Guillermo Arellano's NPI active?
- Yes — Guillermo Arellano's NPI (1437411287) is active in the NPPES registry as of the last update on 2012-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.