What is Alex Rivas's NPI number?

Alex Rivas's National Provider Identifier (NPI) is 1144490699, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Alex Rivas's specialty?

Alex Rivas is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).

Where is Alex Rivas located?

Alex Rivas's practice location on file with NPPES is 44459 10th St W, Lancaster, CA 93534-3324.

What is Alex Rivas's phone number?

The practice phone number listed in the NPPES registry for Alex Rivas is (661) 726-2630.

Is Alex Rivas's NPI active?

Yes — Alex Rivas's NPI (1144490699) is active in the NPPES registry as of the last update on 2025-04-14.

IndividualActive

Alex Rivas

NPI 1144490699 · Addiction (Substance Use Disorder) Counselor · Lancaster, CA

Alex Rivas is a Addiction (Substance Use Disorder) Counselor provider in Lancaster, CA (NPI 1144490699).

Provider details

NPI number: 1144490699
Entity type: Individual
Primary specialty: Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Addiction (Substance Use Disorder) CounselorPrimary101YA0400X
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(81/100 index)

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

Registry tenure38% of score
18 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

44459 10th St W

Lancaster, CA 93534-3324

Phone: (661) 726-2630

Street-level locationGet directions

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Mailing address