What is Aviva Cahn's NPI number?

Aviva Cahn's National Provider Identifier (NPI) is 1003108903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Aviva Cahn's specialty?

Aviva Cahn is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Aviva Cahn located?

Aviva Cahn's practice location on file with NPPES is 333 N Michigan Ave, Chicago, IL 60601-3901.

What is Aviva Cahn's phone number?

The practice phone number listed in the NPPES registry for Aviva Cahn is (773) 301-8576.

Does Aviva Cahn accept Medicare?

Aviva Cahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Aviva Cahn's NPI active?

Yes — Aviva Cahn's NPI (1003108903) is active in the NPPES registry as of the last update on 2011-05-10.

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Aviva Cahn, LCSW

NPI 1003108903 · Clinical Social Worker · Chicago, IL

Aviva Cahn, LCSW is a Clinical Social Worker provider in Chicago, IL (NPI 1003108903).

Provider details

NPI number: 1003108903
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW
Sex: Female
Sole proprietor: Yes
License: 149006633 (IL)

Practice location

333 N Michigan Ave

Suite 1801

Chicago, IL 60601-3901

Phone: (773) 301-8576

Street-level locationGet directions

More IL providers

Mailing address

3200 N Lake Shore Dr

Chicago, IL 60657-3952

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 149006633 (IL)
Behavioral Health & Social Service Providers

Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(82/100 index)

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

Registry tenure38% of score
15 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

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.

Enumerated: 2011-05-10
Last updated: 2011-05-10

Frequently asked questions

What is Aviva Cahn's NPI number?: Aviva Cahn's National Provider Identifier (NPI) is 1003108903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Aviva Cahn's specialty?: Aviva Cahn is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
Where is Aviva Cahn located?: Aviva Cahn's practice location on file with NPPES is 333 N Michigan Ave, Chicago, IL 60601-3901.
What is Aviva Cahn's phone number?: The practice phone number listed in the NPPES registry for Aviva Cahn is (773) 301-8576.
Does Aviva Cahn accept Medicare?: Aviva Cahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Aviva Cahn's NPI active?: Yes — Aviva Cahn's NPI (1003108903) is active in the NPPES registry as of the last update on 2011-05-10.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions