What is Ethel Bass's NPI number?

Ethel Bass's National Provider Identifier (NPI) is 1629807250, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ethel Bass's specialty?

Ethel Bass is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).

Where is Ethel Bass located?

Ethel Bass's practice location on file with NPPES is 45 W 111th St, Chicago, IL 60628-4200.

What is Ethel Bass's phone number?

The practice phone number listed in the NPPES registry for Ethel Bass is (773) 995-1919.

Is Ethel Bass's NPI active?

Yes — Ethel Bass's NPI (1629807250) is active in the NPPES registry as of the last update on 2025-05-31.

IndividualActive

Ethel Bass, PHD, CADC, CODP1

NPI 1629807250 · Addiction (Substance Use Disorder) Counselor · Chicago, IL

Ethel Bass, PHD, CADC, CODP1 is a Addiction (Substance Use Disorder) Counselor provider in Chicago, IL (NPI 1629807250).

Provider details

NPI number: 1629807250
Entity type: Individual
Primary specialty: Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
Credential: PHD, CADC, CODP1
Sex: Female
Sole proprietor: Yes
License: 24935 (IL)

Specialties & taxonomies

Addiction (Substance Use Disorder) CounselorPrimary101YA0400XLicense 24935 (IL)
Behavioral Health & Social Service Providers
Counselor101Y00000XLicense 24935 (IL)
Behavioral Health & Social Service Providers
Mental Health Counselor101YM0800XLicense 24935 (IL)
Behavioral Health & Social Service Providers

Profile Score

Established profile(61/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

45 W 111th St

Chicago, IL 60628-4200

Phone: (773) 995-1919

Street-level locationGet directions

More IL providers

Mailing address

4747 Lincoln Mall Dr Ste 410

Matteson, IL 60443-3821

Additional practice locations (1)

4747 Lincoln Mall Dr Ste 410
Matteson, IL 60443-3821
Phone: (630) 499-6197
Fax: (630) 423-7873

Enumerated: 2024-07-31
Last updated: 2025-05-31
Certified: 2025-05-31

Frequently asked questions

What is Ethel Bass's NPI number?: Ethel Bass's National Provider Identifier (NPI) is 1629807250, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Ethel Bass's specialty?: Ethel Bass is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
Where is Ethel Bass located?: Ethel Bass's practice location on file with NPPES is 45 W 111th St, Chicago, IL 60628-4200.
What is Ethel Bass's phone number?: The practice phone number listed in the NPPES registry for Ethel Bass is (773) 995-1919.
Is Ethel Bass's NPI active?: Yes — Ethel Bass's NPI (1629807250) is active in the NPPES registry as of the last update on 2025-05-31.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.