Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Chicago Treatment and Counseling Centers,Inc

Substance Use Disorder Rehabilitation Hospital Unit in Chicago, IL · enumerated 2014 · authorized official Hemlata Vaidya, Medical Director.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1902228406

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Registry record

Entity type Organization (Type 2)

Legal business name Chicago Treatment and Counseling Centers,Inc

Practice address 3520 S Ashland Ave, Chicago, IL, 60609

Phone (312) 399-5282

Enumeration date Jan 17, 2014

Last updated in NPPES Sep 1, 2021

Taxonomy & classification

261QM2800X Methadone Clinic Ambulatory Health Care Facilities · License 036069638 (IL) Secondary

261QM2800X Methadone Clinic Ambulatory Health Care Facilities Secondary

276400000X Substance Use Disorder Rehabilitation Hospital Unit Hospital Units Primary

Authorized official

Name Hemlata Vaidya

Title Medical Director

Phone (773) 523-3400

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Chicago Treatment and Counseling Centers,Inc?

Chicago Treatment and Counseling Centers,Inc is registered in NPPES as a Substance Use Disorder Rehabilitation Hospital Unit (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-01.