What is Arthur Santos's NPI number?

Arthur Santos's National Provider Identifier (NPI) is 1821328220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Arthur Santos's specialty?

Arthur Santos is listed in the NPPES registry with a primary specialty of Phlebotomy Technician (Technologists, Technicians & Other Technical Service Providers).

Where is Arthur Santos located?

Arthur Santos's practice location on file with NPPES is 555 Peters Ave, Pleasanton, CA 94566-6677.

What is Arthur Santos's phone number?

The practice phone number listed in the NPPES registry for Arthur Santos is (925) 323-3435.

Is Arthur Santos's NPI active?

Yes — Arthur Santos's NPI (1821328220) is active in the NPPES registry as of the last update on 2010-01-06.

IndividualActive

Arthur Santos

NPI 1821328220 · Phlebotomy Technician · Pleasanton, CA

Arthur Santos is a Phlebotomy Technician provider in Pleasanton, CA (NPI 1821328220).

Provider details

NPI number: 1821328220
Entity type: Individual
Primary specialty: Phlebotomy TechnicianTechnologists, Technicians & Other Technical Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Phlebotomy TechnicianPrimary246RP1900X
Technologists, Technicians & Other Technical Service Providers

Profile Score

Detailed profile(78/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
16 yrs in NPPES registry
Profile completeness38% of score
83% 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

555 Peters Ave

Pleasanton, CA 94566-6677

Phone: (925) 323-3435

Street-level locationGet directions

More CA providers

Mailing address

337 Amberstone Ln

San Ramon, CA 94582-5738

Enumerated: 2010-01-06
Last updated: 2010-01-06

Frequently asked questions

What is Arthur Santos's NPI number?: Arthur Santos's National Provider Identifier (NPI) is 1821328220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Arthur Santos's specialty?: Arthur Santos is listed in the NPPES registry with a primary specialty of Phlebotomy Technician (Technologists, Technicians & Other Technical Service Providers).
Where is Arthur Santos located?: Arthur Santos's practice location on file with NPPES is 555 Peters Ave, Pleasanton, CA 94566-6677.
What is Arthur Santos's phone number?: The practice phone number listed in the NPPES registry for Arthur Santos is (925) 323-3435.
Is Arthur Santos's NPI active?: Yes — Arthur Santos's NPI (1821328220) is active in the NPPES registry as of the last update on 2010-01-06.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.