NPPES file of Aug 9, 2026

Shellagh R. Marshall-Young, CAS II

Addiction (Substance Use Disorder) Counselor · Orange, CA

Shellagh R. Marshall-Young, CAS II is an addiction (substance use disorder) counselor with a practice address in Orange, California, and NPI 1013290253, issued on Sep 23, 2011. Check the license (California 01-040566, as entered in NPPES) 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
1013290253
Name
Shellagh R. Marshall-Young
Credential
CAS II
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
01-040566 CA
Self-reported in NPPES; status is on the state search
Practice location
812 W Town And Country RD, Orange, CA 92868
Phone
(714) 547-6494
Enumerated
Sep 23, 2011
Record last updated
Sep 23, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(714) 547-9990
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 812 W Town And Country RD

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

  1. Stacy AbramsMarriage & Family Therapist1487065579
  2. Janine Arena NicollMental Health Counselor1083026264
  3. Marie AzadClinical Social Worker1093142184
  4. Christina BarraganMental Health Counselor1659783033
  5. Tania Barriga, RRWAddiction (Substance Use Disorder) Counselor1588931422
  6. Shari Brickin, MA, MFTIMarriage & Family Therapist1386056059

Verify Shellagh R. Marshall-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 01-040566    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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Shellagh R. Marshall-Young among 27,741 addiction (substance use disorder) counselor records in California

Shellagh R. Marshall-Young, CAS II 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 2011, is newer than 22% of them.

  • NPI issued2011 · 22% of these records are older, 75% 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 updated2011 · 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).

183 addiction (substance use disorder) counselor records list a practice address in Orange

They are 183 of the 13,245 NPPES records with a practice address in Orange, 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 Orange → Addiction (Substance Use Disorder) Counselor nationwide →

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

  1. Tania Barriga, RRWOrange, CA 928681588931422
  2. Malkia BennettOrange, CA 928681851631303
  3. Elena Edwards, CADCAOrange, CA 928681003186743
  4. Victoria ElmquistOrange, CA 928681104179373
  5. Michael Gantenbein, CADCII (A3518587)Orange, CA 928681528495280
  6. Norma GonzalezOrange, CA 928681023244951
  7. Robin LovellOrange, CA 928681184980351
  8. Sarah Owen, MAOrange, CA 928681871837427

Common questions

What is Shellagh R. Marshall-Young, CAS II's NPI number?

Shellagh R. Marshall-Young, CAS II's National Provider Identifier (NPI) is 1013290253, issued on Sep 23, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Shellagh R. Marshall-Young, CAS II located?

The NPPES record lists a practice address at 812 W Town And Country RD, Orange, CA, 92868. Phone: (714) 547-6494. Providers update this record themselves, so call before visiting.

How can I verify Shellagh R. Marshall-Young, CAS II's license?

NPPES lists California license number 01-040566, 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. 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.