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MRS. KAREN MARIE EGERTSON M.S., MFT
NPI 1821375924
Marriage & Family Therapist in Thousand Oaks, CA

Active since November 03, 2011PECOS Enrolled
34 FACULTY ST, THOUSAND OAKS, CA 91360(805) 660-6608(805) 660-6608 Get Directions Write a Review

NPPES record last updated: September 30, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mrs. Karen Marie Egertson M.s., Mft NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. KAREN MARIE EGERTSON M.S., MFT (NPI 1821375924) is an individual marriage & family therapist in Thousand Oaks, California, licensed in California (46243) and active in the NPI registry since November 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821375924
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMRS. KAREN MARIE EGERTSONCredential: M.S., MFT
Location Address34 FACULTY STThousand Oaks, CA 91360-2710
Mailing Address34 Faculty StThousand Oaks, CA 91360-2710 · (805) 660-6608 · Fax (805) 660-6608
Phone(805) 660-6608
Fax(805) 660-6608
Sole ProprietorYes
Enumeration DateNovember 3, 2011
Last NPPES UpdateSeptember 30, 2025
NPPES CertifiedSeptember 30, 2025
✔ NPI 1821375924 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · 46243
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
34 FACULTY ST, Thousand Oaks, CA 91360
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Karen Marie Egertson M.s., Mft is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Karen Egertson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
16 mi
Health Maintenance Organization
2103 E GONZALES RD
Oxnard, CA 93036
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1275756652 (805) 650-4700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Egertson's NPI number?

The NPI number for Karen Egertson is 1821375924. It was assigned to this individual provider in the NPPES registry on November 3, 2011.

Where is Karen Egertson located?

Karen Egertson practices at 34 Faculty St, Thousand Oaks, CA 91360. The listed phone number is (805) 660-6608.

What is Karen Egertson's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Karen Egertson enrolled in Medicare?

Yes. Karen Egertson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Karen Egertson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Egertson reassigns Medicare benefits to Southern California Permanente Medical Group (Oxnard, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Egertson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Karen Egertson was last updated on September 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.