NPPES file of Aug 9, 2026

Marlon Young, PH.D, L.C.S.W, M.P.A

Clinical Psychologist · Hawthorne, CA

Marlon Young, PH.D, L.C.S.W, M.P.A is a clinical psychologist with a practice address in Hawthorne, California, and NPI 1174897714, issued on Feb 29, 2012. Check the license (California PSY21424, 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
1174897714
Name
Marlon Young
Credential
PH.D, L.C.S.W, M.P.A
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
PSY21424 CA
LCS 21289 CA
Self-reported in NPPES; status is on the state search
Practice location
2311 W EL Segundo Blvd, Hawthorne, CA 90250
Phone
(323) 241-6730
Enumerated
Feb 29, 2012
Record last updated
Mar 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130326000623); 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 clinical psychologist records → All 12,647 in California → Look up another NPI →

Also registered at 2311 W EL Segundo Blvd

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

  1. Daniel Abril, AACommunity Health Worker1659550291
  2. Karina Alcaraz, LCSWSocial Worker1932378429
  3. Amy AllenMarriage & Family Therapist1366627812
  4. Blanca AmayaClinical Social Worker1518121060
  5. Eram Baig, MDPsychiatry Physician1649352121
  6. Evalyn Beauchamp, LCSWClinical Social Worker1215260138

Verify Marlon Young 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 PSY21424    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 one group practice

  1. Los Angeles County Department OF Mental HealthGardena, CA

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

Marlon Young among 12,647 clinical psychologist records in California

Marlon Young, PH.D, L.C.S.W, M.P.A is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 63% of them.

  • NPI issued2012 · 63% of these records are older, 33% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2005 · median 2006 among the 2,424 with a school on file
  • Record last updated2021 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in California

There are 12,647 clinical psychologist records in California.

All 12,647 in California → Every provider in Hawthorne → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Seanne Tyson, PH.D.Hawthorne, CA 902501992964787
  2. Jason Huang, PHDGardena, CA 902491063570786
  3. Marianne Klee, PSY.D.Gardena, CA 902491306999404
  4. Andy Ying, PSY.D.Gardena, CA 902491104372697
  5. Jaimie Chou, PSYCHOLOGISTGardena, CA 902481477612646
  6. Linda Nakamura, PSY.D.Gardena, CA 902481679618466
  7. Cliff Sabath, PH.D.Gardena, CA 902481942310750
  8. Christine Tanimura, PSY.D.Gardena, CA 902481053589275

Common questions

What is Marlon Young, PH.D, L.C.S.W, M.P.A's NPI number?

Marlon Young, PH.D, L.C.S.W, M.P.A's National Provider Identifier (NPI) is 1174897714, issued on Feb 29, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Marlon Young, PH.D, L.C.S.W, M.P.A located?

The NPPES record lists a practice address at 2311 W EL Segundo Blvd, Hawthorne, CA, 90250. Phone: (323) 241-6730. Providers update this record themselves, so call before visiting.

How can I verify Marlon Young, PH.D, L.C.S.W, M.P.A's license?

NPPES lists California license number PSY21424, 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.