What is Irma Guillen's NPI number?

Irma Guillen's National Provider Identifier (NPI) is 1629260120, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Irma Guillen's specialty?

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

Where is Irma Guillen located?

Irma Guillen's practice location on file with NPPES is 1191 Central Blvd Ste a, Brentwood, CA 94513-2253.

What is Irma Guillen's phone number?

The practice phone number listed in the NPPES registry for Irma Guillen is (925) 634-4445.

Is Irma Guillen's NPI active?

Yes — Irma Guillen's NPI (1629260120) is active in the NPPES registry as of the last update on 2007-08-17.

IndividualActive

Irma Guillen

NPI 1629260120 · Social Worker · Brentwood, CA

Irma Guillen is a Social Worker provider in Brentwood, CA (NPI 1629260120).

Provider details

NPI number: 1629260120
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Social WorkerPrimary104100000X
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(82/100 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

1191 Central Blvd Ste a

Brentwood, CA 94513-2253

Phone: (925) 634-4445

Fax: (925) 634-6235

Street-level locationGet directions

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Mailing address