NPPES file of Aug 9, 2026

Claudia Patricia De La Ossa, AOD

Addiction (Substance Use Disorder) Counselor · Fairfield, CA

Claudia Patricia De La Ossa, AOD is an addiction (substance use disorder) counselor with a practice address in Fairfield, California, and NPI 1477433290, issued on Sep 3, 2025. Check the license (California 1595200125, 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
1477433290
Name
Claudia Patricia De La Ossa
Credential
AOD
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
1595200125 CA
Self-reported in NPPES; status is on the state search
Practice location
1095 E Tabor Ave, Fairfield, CA 94533
Phone
(707) 435-9807
Enumerated
Sep 3, 2025
Record last updated
Oct 24, 2025
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 1095 E Tabor Ave

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

  1. Randii Agpasan, SUDRCCase Manager/Care Coordinator1396567913
  2. Michael Conard, RAD-TAddiction (Substance Use Disorder) Counselor1558175117
  3. Christina Lane, RADTAddiction (Substance Use Disorder) Counselor1821953704
  4. Kristen Rogers, RADTAddiction (Substance Use Disorder) Counselor1679449763
  5. Ashley WhitleyAddiction (Substance Use Disorder) Counselor1780559617
  6. Preston Wilkins, SUDRCAddiction (Substance Use Disorder) Counselor1437971488

Verify Claudia Patricia De La Ossa 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 1595200125    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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173 addiction (substance use disorder) counselor records list a practice address in Fairfield

They are 173 of the 3,595 NPPES records with a practice address in Fairfield, 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 173 in Fairfield → All 27,741 in California → Every provider in Fairfield →

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 Claudia Patricia De La Ossa, AOD's NPI number?

Claudia Patricia De La Ossa, AOD's National Provider Identifier (NPI) is 1477433290, issued on Sep 3, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Claudia Patricia De La Ossa, AOD located?

The NPPES record lists a practice address at 1095 E Tabor Ave, Fairfield, CA, 94533. Phone: (707) 435-9807. Providers update this record themselves, so call before visiting.

How can I verify Claudia Patricia De La Ossa, AOD's license?

NPPES lists California license number 1595200125, 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.