What is Marelyn Karl's NPI number?

Marelyn Karl's National Provider Identifier (NPI) is 1033005483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marelyn Karl's specialty?

Marelyn Karl is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Marelyn Karl located?

Marelyn Karl's practice location on file with NPPES is 501 Marin St Ste 225, Thousand Oaks, CA 91360-4301.

What is Marelyn Karl's phone number?

The practice phone number listed in the NPPES registry for Marelyn Karl is (805) 379-1401.

Is Marelyn Karl's NPI active?

Yes — Marelyn Karl's NPI (1033005483) is active in the NPPES registry as of the last update on 2025-06-13.

IndividualActive

Marelyn Karl

NPI 1033005483 · Behavior Technician · Thousand Oaks, CA

Marelyn Karl is a Behavior Technician provider in Thousand Oaks, CA (NPI 1033005483).

Provider details

NPI number: 1033005483
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(48/100 index)

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

Registry tenure38% of score
1 yr in NPPES 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

501 Marin St Ste 225

Thousand Oaks, CA 91360-4301

Phone: (805) 379-1401

Street-level locationGet directions

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Mailing address