NPPES file of Aug 9, 2026

Eleni Sophia Eftychiou

Addiction (Substance Use Disorder) Counselor · Los Alamitos, CA

Eleni Sophia Eftychiou is an addiction (substance use disorder) counselor with a practice address in Los Alamitos, California, and NPI 1295566487, issued on Aug 9, 2024. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1295566487
Name
Eleni Sophia Eftychiou
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
Practice location
4281 Katella Ave Ste 117, Los Alamitos, CA 90720
Phone
(562) 596-0050
Enumerated
Aug 9, 2024
Record last updated
Aug 9, 2024
Fax
(562) 596-0058
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest addiction (substance use disorder) counselor records → All 27,741 in California → Look up another NPI →

Also registered at 4281 Katella Ave Ste 117

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

  1. Carina CarpietAddiction (Substance Use Disorder) Counselor1972197416
  2. David DabiriClinical Social Worker1013517440
  3. Danielle Doane-ParkerAddiction (Substance Use Disorder) Counselor1821518374
  4. Sasha FaynorAddiction (Substance Use Disorder) Counselor1801787890
  5. Raul GarciaAddiction (Substance Use Disorder) Counselor1992654669
  6. David Gonzales, SUDCC IIIAddiction (Substance Use Disorder) Counselor1184289688

Verify Eleni Sophia Eftychiou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
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Eleni Sophia Eftychiou among 27,741 addiction (substance use disorder) counselor records in California

Eleni Sophia Eftychiou is one of 27,741 addiction (substance use disorder) counselor records with a practice address in California. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2024, is newer than 82% of them.

  • NPI issued2024 · 82% of these records are older, 10% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2024 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

71 addiction (substance use disorder) counselor records list a practice address in Los Alamitos

They are 71 of the 1,035 NPPES records with a practice address in Los Alamitos, and 27,741 addiction (substance use disorder) counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 27,741 in California → Every provider in Los Alamitos → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Chelsie GordonLos Alamitos, CA 907201346600384
  2. Tekla HamiltonLos Alamitos, CA 907201851796239
  3. Laura HarveyLos Alamitos, CA 907201417317835
  4. Christine LarsonLos Alamitos, CA 907201851835276
  5. Kathryn MenasLos Alamitos, CA 907201417319468
  6. Keith Miller, CATCLos Alamitos, CA 907201972958833
  7. Elizabeth MoragaLos Alamitos, CA 907201801344858
  8. Andrew MovchanLos Alamitos, CA 907201508210261

Common questions

What is Eleni Sophia Eftychiou's NPI number?

Eleni Sophia Eftychiou's National Provider Identifier (NPI) is 1295566487, issued on Aug 9, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Eleni Sophia Eftychiou located?

The NPPES record lists a practice address at 4281 Katella Ave Ste 117, Los Alamitos, CA, 90720. Phone: (562) 596-0050. Providers update this record themselves, so call before visiting.

How can I verify Eleni Sophia Eftychiou's license?

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. 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.