Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

CHRISTOPHER CALLAHAN
NPI 1568371995
Counselor - Addiction (Substance Use Disorder) in Los Angeles, CA

Active since September 02, 2026
3619 N MISSION RD, LOS ANGELES, CA 90031(213) 721-0010 Get Directions Write a Review

NPPES record added: September 2, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Christopher Callahan NPPES

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

CHRISTOPHER CALLAHAN (NPI 1568371995) is an individual addiction (substance use disorder) provider in Los Angeles, California and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1568371995
Entity TypeIndividual
Primary Taxonomy101YA0400X
Provider Legal NameCHRISTOPHER CALLAHAN
Location Address3619 N MISSION RDLos Angeles, CA 90031-3136
Mailing Address3619 N Mission RdLos Angeles, CA 90031-3136 · (213) 721-0010
Sole ProprietorNo
Enumeration DateSeptember 2, 2026
NPPES CertifiedSeptember 2, 2026
NPI 1568371995 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
3619 N MISSION RD, Los Angeles, CA 90031

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.

Counselor (Addiction (Substance Use Disorder))
3619 N MISSION RD
LINCOLN HEIGHTS, CA 90031
Counselor (Addiction (Substance Use Disorder))
3619 N MISSION RD
LOS ANGELES, CA 90031
Counselor (Addiction (Substance Use Disorder))
3619 N MISSION RD
LOS ANGELES, CA 90031
Counselor (Addiction (Substance Use Disorder))
3619 N MISSION RD
LINCOLN HEIGHTS, CA 90031
Counselor (Addiction (Substance Use Disorder))
3619 N MISSION RD
LINCOLN HEIGHTS, CA 90031
Counselor (Addiction (Substance Use Disorder))
3619 N MISSION RD
LINCOLN HEIGHTS, CA 90031
Counselor (Addiction (Substance Use Disorder))
3619 N MISSION RD
LOS ANGELES, CA 90031
Licensed Vocational Nurse
3619 N MISSION RD
LINCOLN HEIGHTS, CA 90031

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 Christopher Callahan's NPI number?

The NPI number for Christopher Callahan is 1568371995. It was assigned to this individual provider in the NPPES registry on September 2, 2026.

Where is Christopher Callahan located?

Christopher Callahan practices at 3619 N Mission Rd, Los Angeles, CA 90031. The listed phone number is (213) 721-0010.

What is Christopher Callahan'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 Christopher Callahan was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.