What is Lisa Mesaros's NPI number?

Lisa Mesaros's National Provider Identifier (NPI) is 1689503641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lisa Mesaros's specialty?

Lisa Mesaros is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Lisa Mesaros located?

Lisa Mesaros's practice location on file with NPPES is 3658 Zenith Ave, Thousand Oaks, CA 91360-6261.

What is Lisa Mesaros's phone number?

The practice phone number listed in the NPPES registry for Lisa Mesaros is (818) 429-9603.

Is Lisa Mesaros's NPI active?

Yes — Lisa Mesaros's NPI (1689503641) is active in the NPPES registry as of the last update on 2026-05-15.

IndividualActive

Lisa Mesaros, RN

NPI 1689503641 · Registered Nurse · Thousand Oaks, CA

Lisa Mesaros, RN is a Registered Nurse provider in Thousand Oaks, CA (NPI 1689503641).

Provider details

NPI number: 1689503641
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: RN
Sex: Female
Sole proprietor: Yes
License: 848015 (CA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 848015 (CA)
Nursing Service Providers

Profile Score

Established profile(53/100 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
100% 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

3658 Zenith Ave

Thousand Oaks, CA 91360-6261

Phone: (818) 429-9603

Street-level locationGet directions

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Mailing address