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KAREN CHRISTINE NIMCHUK-COOK MFT
NPI 1821294943
Marriage & Family Therapist in El Cajon, CA

Active since June 25, 2007PECOS EnrolledAccepts Medicare Assignment
1630 E MAIN ST FL 3, EL CAJON, CA 92021(619) 590-5139(619) 590-5155 Get Directions Write a Review

NPPES record last updated: November 12, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Karen Christine Nimchuk-cook Mft NPPES

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

KAREN CHRISTINE NIMCHUK-COOK MFT (NPI 1821294943) is an individual marriage & family therapist in El Cajon, California, licensed in California (35875) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1993).

NPPES Registry Identity

NPI1821294943
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameKAREN CHRISTINE NIMCHUK-COOKCredential: MFT
Location Address1630 E MAIN ST FL 3El Cajon, CA 92021-5204
Mailing Address1630 E Main St Fl 3El Cajon, CA 92021-5204 · (619) 590-5139 · Fax (619) 590-5155
Phone(619) 590-5139
Fax(619) 590-5155
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateJune 25, 2007
Last NPPES UpdateNovember 12, 2021
NPPES CertifiedNovember 12, 2021
✔ NPI 1821294943 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 · 35875
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.
1630 E MAIN ST FL 3, El Cajon, CA 92021
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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 and accepts Medicare assignment

Karen Christine Nimchuk-cook Mft is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618406034
PECOS Enrollment IDI20250129002067
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 Nimchuk-cook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
10 mi
Health Maintenance Organization
4647 ZION AVE
San Diego, CA 92120
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1225060742 (619) 528-5000

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 Nimchuk-cook's NPI number?

The NPI number for Karen Nimchuk-cook is 1821294943. It was assigned to this individual provider in the NPPES registry on June 25, 2007.

Where is Karen Nimchuk-cook located?

Karen Nimchuk-cook practices at 1630 E Main St Fl 3, El Cajon, CA 92021. The listed phone number is (619) 590-5139.

What is Karen Nimchuk-cook's specialty?

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

Is Karen Nimchuk-cook enrolled in Medicare?

Yes. Karen Nimchuk-cook is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Karen Nimchuk-cook's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Nimchuk-cook reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, 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 Nimchuk-cook'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 Nimchuk-cook was last updated on November 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.