Karen Arnold, RADT
Addiction (Substance Use Disorder) Counselor · Grass Valley, CA
Karen Arnold, RADT is an addiction (substance use disorder) counselor with a practice address in Grass Valley, California, and NPI 1902433451, issued on Mar 25, 2020. Check the license (California R1377620220, 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
- Karen Arnold
- Credential
- RADT
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- R1377620220 CA
Self-reported in NPPES; status is on the state search - Practice location
- 159 Brentwood Dr, Grass Valley, CA 95945
- Phone
- (530) 273-9541
- Enumerated
- Mar 25, 2020
- Entity
- Type 1 · individual
Also registered at 159 Brentwood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephen BennettAddiction (Substance Use Disorder) Counselor1124820444
- Qiana Burke, RADTAddiction (Substance Use Disorder) Counselor1922860436
- Melissa Burnett, RADTAddiction (Substance Use Disorder) Counselor1396387734
- Layla Callahan, RADTAddiction (Substance Use Disorder) Counselor1720633589
- Lisa Callison, RADTAddiction (Substance Use Disorder) Counselor1427800887
- Trisha Cole, RADTAddiction (Substance Use Disorder) Counselor1366072613
Verify Karen Arnold in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license R1377620220Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
151 addiction (substance use disorder) counselor records list a Grass Valley practice address
They are 151 of the 1,540 NPPES records with a Grass Valley 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.
All 151 in Grass Valley → All 29,099 in California → Every provider in Grass Valley →
Other addiction (substance use disorder) counselor records in California
- Sean A Jerome, CADCIICosta Mesa, CA1831884550
- 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 Karen Arnold, RADT's NPI number?
Karen Arnold, RADT's National Provider Identifier (NPI) is 1902433451, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Karen Arnold, RADT located?
The NPPES record lists a practice address at 159 Brentwood Dr, Grass Valley, CA, 95945. Phone: (530) 273-9541. Providers update this record themselves, so call before visiting.
How can I verify Karen Arnold, RADT's license?
NPPES lists California license number R1377620220, 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.