What is Clarissa Knudson's NPI number?

Clarissa Knudson's National Provider Identifier (NPI) is 1669845012, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Clarissa Knudson's specialty?

Clarissa Knudson is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is Clarissa Knudson located?

Clarissa Knudson's practice location on file with NPPES is 1934 Hillhurst Ave, Los Angeles, CA 90027-2712.

What is Clarissa Knudson's phone number?

The practice phone number listed in the NPPES registry for Clarissa Knudson is (310) 304-2423.

Is Clarissa Knudson's NPI active?

Yes — Clarissa Knudson's NPI (1669845012) is active in the NPPES registry as of the last update on 2025-12-12.

IndividualActive

Clarissa Knudson

NPI 1669845012 · Psychologist · Los Angeles, CA

Clarissa Knudson is a Psychologist provider in Los Angeles, CA (NPI 1669845012).

Provider details

NPI number: 1669845012
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: PSY36193 (CA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense PSY36193 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(73/100 index)

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

Registry tenure38% of score
10 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

1934 Hillhurst Ave

Los Angeles, CA 90027-2712

Phone: (310) 304-2423

Fax: (310) 304-2423

Street-level locationGet directions

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Mailing address