Derek Altherr
Addiction (Substance Use Disorder) Counselor · Bloomington, CA
Derek Altherr is an addiction (substance use disorder) counselor with a practice address in Bloomington, California, and NPI 1831959360, issued on Mar 21, 2024. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Derek Altherr
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- Practice location
- 18612 Santa Ana Ave, Bloomington, CA 92316
- Phone
- (909) 421-7120
- Enumerated
- Mar 21, 2024
- Record last updated
- Jun 26, 2026
- Entity
- Type 1 · individual
Also registered at 18612 Santa Ana Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tammy AhumadaAddiction (Substance Use Disorder) Counselor1043789282
- Chris AmesAddiction (Substance Use Disorder) Counselor1447440839
- Melanie AndersonAddiction (Substance Use Disorder) Counselor1467171819
- Jose AragonAddiction (Substance Use Disorder) Counselor1619492295
- Freddie AvilaAddiction (Substance Use Disorder) Counselor1932646056
Verify Derek Altherr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
161 addiction (substance use disorder) counselor records list a practice address in Bloomington
They are 161 of the 237 NPPES records with a practice address in Bloomington, 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 161 in Bloomington → All 27,741 in California → Every provider in Bloomington →
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 Derek Altherr's NPI number?
Derek Altherr's National Provider Identifier (NPI) is 1831959360, issued on Mar 21, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Derek Altherr located?
The NPPES record lists a practice address at 18612 Santa Ana Ave, Bloomington, CA, 92316. Phone: (909) 421-7120. Providers update this record themselves, so call before visiting.
How can I verify Derek Altherr's license?
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.