What is Andrea Guillen's NPI number?

Andrea Guillen's National Provider Identifier (NPI) is 1326979626, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Andrea Guillen's specialty?

Andrea Guillen is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Andrea Guillen located?

Andrea Guillen's practice location on file with NPPES is 1319 W 12th St, Santa Ana, CA 92703-2127.

What is Andrea Guillen's phone number?

The practice phone number listed in the NPPES registry for Andrea Guillen is (714) 654-8323.

Is Andrea Guillen's NPI active?

Yes — Andrea Guillen's NPI (1326979626) is active in the NPPES registry as of the last update on 2026-05-26.

IndividualActive

Andrea Guillen, ASW

NPI 1326979626 · Mental Health Counselor · Santa Ana, CA

Andrea Guillen, ASW is a Mental Health Counselor provider in Santa Ana, CA (NPI 1326979626).

Provider details

NPI number: 1326979626
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Credential: ASW
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(46/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

1319 W 12th St

Santa Ana, CA 92703-2127

Phone: (714) 654-8323

Street-level locationGet directions

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Mailing address