David Horstman, CADC-CAS
Addiction (Substance Use Disorder) Counselor · Anderson, CA
David Horstman, CADC-CAS is an addiction (substance use disorder) counselor with a practice address in Anderson, California, and NPI 1720520596, issued on Nov 10, 2016. Check the license (California C03961116, 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
- David Horstman
- Credential
- CADC-CAS
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- C03961116 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2110 Ferry St, Anderson, CA 96007
- Phone
- (530) 365-8523
- Enumerated
- Nov 10, 2016
- Record last updated
- Nov 10, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 2110 Ferry St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tony Brigman, CADC-CASAddiction (Substance Use Disorder) Counselor1134663420
- Allison Goddard, ACSWClinical Social Worker1447126628
- Kerri Medel, MFTMental Health Counselor1922998533
Verify David Horstman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license C03961116Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Addiction (Substance Use Disorder) Counselor providers in California
There are 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.
Other addiction (substance use disorder) counselor records in California
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- 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 David Horstman, CADC-CAS's NPI number?
David Horstman, CADC-CAS's National Provider Identifier (NPI) is 1720520596, issued on Nov 10, 2016. An NPI identifies a provider in billing; it is not a license.
Where is David Horstman, CADC-CAS located?
The NPPES record lists a practice address at 2110 Ferry St, Anderson, CA, 96007. Phone: (530) 365-8523. Providers update this record themselves, so call before visiting.
How can I verify David Horstman, CADC-CAS's license?
NPPES lists California license number C03961116, 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.