What is John Knoerzer's NPI number?

John Knoerzer's National Provider Identifier (NPI) is 1003052580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Knoerzer's specialty?

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

Where is John Knoerzer located?

John Knoerzer's practice location on file with NPPES is 3850 W Sunnyside Ave, Chicago, IL 60625-6331.

What is John Knoerzer's phone number?

The practice phone number listed in the NPPES registry for John Knoerzer is (773) 234-1517.

Is John Knoerzer's NPI active?

Yes — John Knoerzer's NPI (1003052580) is active in the NPPES registry as of the last update on 2011-04-11.

IndividualActive

John Knoerzer, LCSW

NPI 1003052580 · Clinical Social Worker · Chicago, IL

John Knoerzer, LCSW is a Clinical Social Worker provider in Chicago, IL (NPI 1003052580).

Provider details

NPI number: 1003052580
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW
Sex: Male
Sole proprietor: Yes
License: 149012887 (IL)

Practice location

3850 W Sunnyside Ave

#304

Chicago, IL 60625-6331

Phone: (773) 234-1517

Street-level locationGet directions

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Mailing address

3850 W Sunnyside Ave

Chicago, IL 60625-6331

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 149012887 (IL)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(87/100 index)

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

Registry tenure38% of score
17 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: 2009-01-05
Last updated: 2011-04-11

Frequently asked questions

What is John Knoerzer's NPI number?: John Knoerzer's National Provider Identifier (NPI) is 1003052580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is John Knoerzer's specialty?: John Knoerzer is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
Where is John Knoerzer located?: John Knoerzer's practice location on file with NPPES is 3850 W Sunnyside Ave, Chicago, IL 60625-6331.
What is John Knoerzer's phone number?: The practice phone number listed in the NPPES registry for John Knoerzer is (773) 234-1517.
Is John Knoerzer's NPI active?: Yes — John Knoerzer's NPI (1003052580) is active in the NPPES registry as of the last update on 2011-04-11.

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