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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DEREK ALTHERR
NPI 1831959360
Counselor - Addiction (Substance Use Disorder) in Bloomington, CA

Active since March 21, 2024
18612 SANTA ANA AVE, BLOOMINGTON, CA 92316(909) 421-7120 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Derek Altherr NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DEREK ALTHERR (NPI 1831959360) is an individual addiction (substance use disorder) provider in Bloomington, California and active in the NPI registry since March 2024.

NPPES Registry Identity

NPI1831959360
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameDEREK ALTHERR
Location Address18612 SANTA ANA AVEBloomington, CA 92316-2639
Mailing Address18612 Santa Ana AveBloomington, CA 92316-2639 · (909) 421-7120
Phone(909) 421-7120
Sole ProprietorNo
Enumeration DateMarch 21, 2024
Last NPPES UpdateJune 26, 2026
NPPES CertifiedJune 26, 2026
✔ NPI 1831959360 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
18612 SANTA ANA AVE, Bloomington, CA 92316
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GEORGINA LISA SANCHEZ
Counselor (Addiction (Substance Use Disorder))
18612 SANTA ANA AVE
BLOOMINGTON, CA 92316
San Bernardino County (909) 421-7120
MR. JAMES B ENTZ MFT
Marriage & Family Therapist
18612 SANTA ANA AVE
BLOOMINGTON, CA 92316
San Bernardino County (909) 421-7120
KEIANA DOBSON
Counselor (Addiction (Substance Use Disorder))
18612 SANTA ANA AVE
BLOOMINGTON, CA 92316
San Bernardino County (909) 421-7120
SAMANTHA PINEDA
Licensed Vocational Nurse
18612 SANTA ANA AVE
BLOOMINGTON, CA 92316
San Bernardino County (840) 220-9529
NICHOLAS SMITH
Counselor (Addiction (Substance Use Disorder))
18612 SANTA ANA AVE
BLOOMINGTON, CA 92316
San Bernardino County (909) 421-7120
TAMMY AHUMADA
Counselor (Addiction (Substance Use Disorder))
18612 SANTA ANA AVE
BLOOMINGTON, CA 92316
San Bernardino County (909) 421-7120
KENNEDY ODERO
Counselor (Addiction (Substance Use Disorder))
18612 SANTA ANA AVE
BLOOMINGTON, CA 92316
San Bernardino County (909) 421-7120
LEAH BOYD
Counselor (Addiction (Substance Use Disorder))
18612 SANTA ANA AVE
BLOOMINGTON, CA 92316
San Bernardino County (909) 421-7120

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Derek Altherr's NPI number?

The NPI number for Derek Altherr is 1831959360. It was assigned to this individual provider in the NPPES registry on March 21, 2024.

Where is Derek Altherr located?

Derek Altherr practices at 18612 Santa Ana Ave, Bloomington, CA 92316. The listed phone number is (909) 421-7120.

What is Derek Altherr's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Derek Altherr was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.