Jason Edward Osowski
Addiction (Substance Use Disorder) Counselor · Garden Grove, CA
Jason Edward Osowski is an addiction (substance use disorder) counselor with a practice address in Garden Grove, California, and NPI 1538999248, issued on Aug 6, 2024. Check the license (California R1512840723, 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.
- Name
- Jason Edward Osowski
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- R1512840723 CA
Self-reported in NPPES; status is on the state search - Practice location
- 13222 Chapman Ave, Garden Grove, CA 92840
- Phone
- (714) 703-9492
- Enumerated
- Aug 6, 2024
- Record last updated
- Jan 19, 2025
- Entity
- Type 1 · individual
Also registered at 13222 Chapman Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Samantha IlanAddiction (Substance Use Disorder) Counselor1760216964
- Andres Mayorga, RADTAddiction (Substance Use Disorder) Counselor1104657535
Verify Jason Edward Osowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license R1512840723Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60 addiction (substance use disorder) counselor records list a practice address in Garden Grove
They are 60 of the 4,572 NPPES records with a practice address in Garden Grove, 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 60 in Garden Grove → All 27,741 in California → Every provider in Garden Grove →
Other addiction (substance use disorder) counselor records in California
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- Carrie AamodtVisalia, CA1932661311
- Emory Aaron, CCAPP C4321214Los Angeles, CA1073980801
- Lisa Aaron, CASACCulver City, CA1356090849
- Michael Abacherli, JD, RADTSan Jacinto, CA1235826983
- Victor AbadEl Cajon, CA1205562238
- Sean AbairTaft, CA1174084347
- Maira AbalosDelano, CA1508452038
- Jazmine AbanicoVentura, CA1851964613
- Israel Abarca, CAADESan Francisco, CA1114126950
Common questions
What is Jason Edward Osowski's NPI number?
Jason Edward Osowski's National Provider Identifier (NPI) is 1538999248, issued on Aug 6, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Jason Edward Osowski located?
The NPPES record lists a practice address at 13222 Chapman Ave, Garden Grove, CA, 92840. Phone: (714) 703-9492. Providers update this record themselves, so call before visiting.
How can I verify Jason Edward Osowski's license?
NPPES lists California license number R1512840723, 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.
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.