ACCESS BEHAVIORAL SERVICES
NPI 1023434917
Clinic/Center - Rehabilitation, Substance Use Disorder in Chicago, IL

Active since March 15, 2014
3948 W 26TH ST, SUITE 114, CHICAGO, IL 60623(773) 522-5460(773) 522-5465 Get Directions Write a Review

NPPES record last updated: March 15, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Access Behavioral Services NPPES

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

ACCESS BEHAVIORAL SERVICES (NPI 1023434917) is a healthcare organization registered as a rehabilitation, substance use disorder in Chicago, Illinois and active in the NPI registry since March 2014. The organization lists Ernestina Ontiveros, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1023434917
Entity TypeOrganization
Primary Taxonomy261QR0405X
Legal Business NameACCESS BEHAVIORAL SERVICES
Location Address3948 W 26TH ST, SUITE 114Chicago, IL 60623-3738
Mailing Address3948 W 26th St, Suite 114Chicago, IL 60623-3738 · (773) 522-5460 · Fax (773) 522-5465
Fax(773) 522-5465
Organization SubpartNo
Authorized OfficialErnestina OntiverosPresident/ceo · (773) 522-5460
Enumeration DateMarch 15, 2014
NPI 1023434917 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyClinic/Center · Rehabilitation, Substance Use DisorderAmbulatory Health Care Facilities
Taxonomy Code261QR0405X
License Licensed in IL · A-8712-0001-A
Also ListedCommunity/Behavioral HealthTaxonomy 251S00000X · License A-8712-0001-A (IL)
3948 W 26TH ST, Chicago, IL 60623

Other Identifiers 1

OtherA-8712-0001-AIL · State License

Other Providers at the Same Location NPPES 7

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

Dentist (General Practice)
3948 W 26TH ST, SUITE 101
CHICAGO, IL 60623
Clinic/Center (Mental Health (Including Community Mental Health Center))
3948 W 26TH ST
CHICAGO, IL 60623
Optometrist
3948 W 26TH ST, STE 102
CHICAGO, IL 60623
Dentist (General Practice)
3948 W 26TH ST, STE 101
CHICAGO, IL 60623
Technician/Technologist (Optician)
3948 W 26TH ST, SUITE 102
CHICAGO, IL 60623
Dentist
3948 W 26TH ST, SUITE 101
CHICAGO, IL 60623
Optometrist
3948 W 26TH ST
CHICAGO, IL 60623

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 Access Behavioral Services's NPI number?

The NPI number for Access Behavioral Services is 1023434917. It was assigned to this organization in the NPPES registry on March 15, 2014.

Where is Access Behavioral Services located?

Access Behavioral Services is located at 3948 W 26th St Suite 114, Chicago, IL 60623. The listed phone number is (773) 522-5460.

What is Access Behavioral Services's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Rehabilitation, Substance Use Disorder, with taxonomy code 261QR0405X.

When was this NPI record last updated?

The NPPES record for Access Behavioral Services was last updated on March 15, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.