NPPES file of Aug 9, 2026

Sarah Hyaeran Ko, LMFT

Marriage & Family Therapist · Los Angeles, CA

Sarah Hyaeran Ko, LMFT is a marriage & family therapist with a practice address in Los Angeles, California, and NPI 1235678244, issued on Feb 23, 2017. Check the license (California LMFT141825, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235678244
Name
Sarah Hyaeran Ko
Credential
LMFT
Primary taxonomy
Marriage & Family Therapist 106H00000X
License numbers
LMFT141825 CA
AMFT109353 CA
Self-reported in NPPES; status is on the state search
Practice location
3727 W 6TH St, Los Angeles, CA 90020
Phone
(213) 365-7400
Enumerated
Feb 23, 2017
Record last updated
Oct 19, 2023
Fax
(213) 201-3993
Medicare enrollment
Enrolled (PECOS I20240521002160); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest marriage & family therapist records → All 59,889 in California → Look up another NPI →

Also registered at 3727 W 6TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lorena Barbosa-MirelesClinical Social Worker1801321328
  2. Ignacio BermudezAddiction (Substance Use Disorder) Counselor1669192159
  3. Sarah ChoMarriage & Family Therapist1568853075
  4. Kumok ChoiNurse Practitioner1225379282
  5. Elizabeth KangClinical Social Worker1376026427
  6. Nayon Kang, LCSWClinical Social Worker1194856310

Verify Sarah Hyaeran Ko in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license LMFT141825    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Jona Licensed Clinical Social Worker PCBrea, CA
  2. Special Service For Groups IncLos Angeles, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sarah Hyaeran Ko among 59,889 marriage & family therapist records in California

Sarah Hyaeran Ko, LMFT is one of 59,889 marriage & family therapist records with a practice address in California. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 57% of them.

  • NPI issued2017 · 57% of these records are older, 39% newer
  • In a Medicare fileYes · 4% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Graduated2018 · median 2013 among the 4,574 with a school on file
  • Record last updated2023 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 106H00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4,428 marriage & family therapist records list a practice address in Los Angeles

They are 4,428 of the 69,537 NPPES records with a practice address in Los Angeles, and 59,889 marriage & family therapist records in California.

All 59,889 in California → Every provider in Los Angeles → Marriage & Family Therapist nationwide →

The 8 marriage & family therapist records with the nearest ZIP codes

  1. Sandra Baca, LMFTLos Angeles, CA 900201043312069
  2. Traci Higa, M.A.Los Angeles, CA 900201548302318
  3. Alan JohnsonLos Angeles, CA 900201063622678
  4. Sangok Kim, MFTLos Angeles, CA 900201386768786
  5. Lara Lewis, MALos Angeles, CA 900201295866952
  6. Ingrid MarchusLos Angeles, CA 900201508930413
  7. Dana McEwen, M.A.Los Angeles, CA 900201609921626
  8. James McEwen, LMFTLos Angeles, CA 900201750418869

Common questions

What is Sarah Hyaeran Ko, LMFT's NPI number?

Sarah Hyaeran Ko, LMFT's National Provider Identifier (NPI) is 1235678244, issued on Feb 23, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Hyaeran Ko, LMFT located?

The NPPES record lists a practice address at 3727 W 6TH St, Los Angeles, CA, 90020. Phone: (213) 365-7400. Providers update this record themselves, so call before visiting.

How can I verify Sarah Hyaeran Ko, LMFT's license?

NPPES lists California license number LMFT141825, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.