Registry data as of Aug 27, 2026

Debra Stewart, RAS

Addiction (Substance Use Disorder) Counselor · Mammoth Lakes, CA

Debra Stewart, RAS is an addiction (substance use disorder) counselor with a practice address in Mammoth Lakes, California, and NPI 1063509834, issued on Oct 5, 2006. Check the license (California S0402241230, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1063509834
Name
Debra Stewart
Credential
RAS
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
S0402241230 CA
Self-reported in NPPES; status is on the state search
Practice location
1290 Tavern RD Ste 276, Mammoth Lakes, CA 93546
Phone
(760) 924-1740
Enumerated
Oct 5, 2006
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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Also registered at 1290 Tavern RD Ste 276

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

  1. Cassandra CarterCommunity Health Worker1306594692
  2. Moncerrath Cruz ConrriquezDay Training/Habilitation Specialist1912861717

Verify Debra Stewart 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 S0402241230
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

9 addiction (substance use disorder) counselor records list a Mammoth Lakes practice address

They are 9 of the 167 NPPES records with a Mammoth Lakes practice address, and 29,099 addiction (substance use disorder) counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other addiction (substance use disorder) counselor records in California

  1. Sean A Jerome, CADCIICosta Mesa, CA1831884550
  2. Carrie AamodtVisalia, CA1932661311
  3. Emory Aaron, CCAPP C4321214Los Angeles, CA1073980801
  4. Lisa Aaron, CASACCulver City, CA1356090849
  5. Michael Abacherli, JD, RADTSan Jacinto, CA1235826983
  6. Victor AbadEl Cajon, CA1205562238
  7. Sean AbairTaft, CA1174084347
  8. Maira AbalosDelano, CA1508452038
  9. Jazmine AbanicoVentura, CA1851964613
  10. Israel Abarca, CAADESan Francisco, CA1114126950

Common questions

What is Debra Stewart, RAS's NPI number?

Debra Stewart, RAS's National Provider Identifier (NPI) is 1063509834, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Debra Stewart, RAS located?

The NPPES record lists a practice address at 1290 Tavern RD Ste 276, Mammoth Lakes, CA, 93546. Phone: (760) 924-1740. Providers update this record themselves, so call before visiting.

How can I verify Debra Stewart, RAS's license?

NPPES lists California license number S0402241230, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.