What is Mary Klein's NPI number?

Mary Klein's National Provider Identifier (NPI) is 1417965567, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Klein's specialty?

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

Where is Mary Klein located?

Mary Klein's practice location on file with NPPES is 3151 Airway Ave, Costa Mesa, CA 92626-4607.

What is Mary Klein's phone number?

The practice phone number listed in the NPPES registry for Mary Klein is (714) 957-1234.

Is Mary Klein's NPI active?

Yes — Mary Klein's NPI (1417965567) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Mary Klein, LCSW

NPI 1417965567 · Clinical Social Worker · Costa Mesa, CA

Mary Klein, LCSW is a Clinical Social Worker provider in Costa Mesa, CA (NPI 1417965567).

Provider details

NPI number: 1417965567
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW
Sex: Female
Sole proprietor: Yes
License: LCS10447 (CA)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense LCS10447 (CA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
19 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

3151 Airway Ave

Suite K-240

Costa Mesa, CA 92626-4607

Phone: (714) 957-1234

Fax: (714) 957-1234

Street-level locationGet directions

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Mailing address