What is Tonia Guerin's NPI number?

Tonia Guerin's National Provider Identifier (NPI) is 1659228328, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Tonia Guerin's specialty?

Tonia Guerin is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).

Where is Tonia Guerin located?

Tonia Guerin's practice location on file with NPPES is 265 San Jacinto River Rd Ste 107, Lake Elsinore, CA 92530-4400.

What is Tonia Guerin's phone number?

The practice phone number listed in the NPPES registry for Tonia Guerin is (951) 674-9243.

Is Tonia Guerin's NPI active?

Yes — Tonia Guerin's NPI (1659228328) is active in the NPPES registry as of the last update on 2026-03-12.

IndividualActive

Tonia Guerin

NPI 1659228328 · Case Manager/Care Coordinator · Lake Elsinore, CA

Tonia Guerin is a Case Manager/Care Coordinator provider in Lake Elsinore, CA (NPI 1659228328).

Provider details

NPI number: 1659228328
Entity type: Individual
Primary specialty: Case Manager/Care CoordinatorOther Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Case Manager/Care CoordinatorPrimary171M00000X
Other 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

265 San Jacinto River Rd Ste 107

Lake Elsinore, CA 92530-4400

Phone: (951) 674-9243

Street-level locationGet directions

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Mailing address