What is Olivia Massey's NPI number?

Olivia Massey's National Provider Identifier (NPI) is 1730812892, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Olivia Massey's specialty?

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

Where is Olivia Massey located?

Olivia Massey's practice location on file with NPPES is 10929 South St Ste 208b, Cerritos, CA 90703-5368.

What is Olivia Massey's phone number?

The practice phone number listed in the NPPES registry for Olivia Massey is (562) 865-6444.

Is Olivia Massey's NPI active?

Yes — Olivia Massey's NPI (1730812892) is active in the NPPES registry as of the last update on 2026-01-27.

IndividualActive

Olivia Massey

NPI 1730812892 · Clinical Social Worker · Cerritos, CA

Olivia Massey is a Clinical Social Worker provider in Cerritos, CA (NPI 1730812892).

Provider details

NPI number: 1730812892
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 136552 (CA)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 136552 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(60/100 index)

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

Registry tenure38% of score
3 yrs in NPPES 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

10929 South St Ste 208b

Cerritos, CA 90703-5368

Phone: (562) 865-6444

Street-level locationGet directions

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Mailing address