Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ELI J KO
NPI 1922364900
Marriage & Family Therapist in Placentia, CA

Q: What is Eli Ko's NPI number?

The NPI number for Eli Ko is 1922364900. It was assigned to this individual provider in the NPPES registry on April 4, 2012.

Q: What is Eli Ko's specialty?

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

Q: Is Eli Ko enrolled in Medicare?

No. Eli Ko has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Eli Ko was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.

Active since April 04, 2012Opted out of Medicare · through Jan 1, 2028

601 E YORBA LINDA BLVD STE 5C, PLACENTIA, CA 92870(714) 869-7025 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 10, 2026, Nov 6, 2023, Sep 30, 2020 and 4 more (7 updates tracked since 2016).

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About Eli J Ko NPPES

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

ELI J KO (NPI 1922364900) is an individual marriage & family therapist in Placentia, California, licensed in California (LMFT94549) and active in the NPI registry since April 2012. He has opted out of Medicare through January 1, 2028.

NPPES Registry Identity

NPI1922364900

Entity TypeIndividualMale

Primary Taxonomy106H00000X

Provider Legal NameELI J KO

Location Address601 E YORBA LINDA BLVD STE 5CPlacentia, CA 92870-3006

Mailing Address1440 N Harbor Blvd Ste 900Fullerton, CA 92835-4122 · (714) 869-7025

Phone(714) 869-7025

Sole ProprietorYes

Enumeration DateApril 4, 2012

Last NPPES UpdateJuly 10, 20267 updates tracked since enumeration

NPPES CertifiedJuly 10, 2026

✔ NPI 1922364900 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 · LMFT94549

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.

601 E YORBA LINDA BLVD STE 5C, Placentia, CA 92870

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

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Opted out of Medicare

Eli J Ko has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2024 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2024

Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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 Eli Ko's NPI number?

The NPI number for Eli Ko is 1922364900. It was assigned to this individual provider in the NPPES registry on April 4, 2012.

Where is Eli Ko located?

Eli Ko practices at 601 E Yorba Linda Blvd Ste 5C, Placentia, CA 92870. The listed phone number is (714) 869-7025.

What is Eli Ko's specialty?

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

Is Eli Ko enrolled in Medicare?

No. Eli Ko has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does Eli Ko accept?

Health plans from Providence Health Plan list Eli Ko as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Eli Ko was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.