John Ludwig, LSW
Clinical Social Worker · Chicago, IL
John Ludwig, LSW is a clinical social worker with a practice address in Chicago, Illinois, and NPI 1255164455, issued on Aug 22, 2024. Check the license (Illinois 149031732, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Ludwig
- Credential
- LSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 149031732 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4433 N Ravenswood Ave Ste 210, Chicago, IL 60640
- Phone
- (773) 876-8763
- Enumerated
- Aug 22, 2024
- Record last updated
- Jun 18, 2026
- Fax
- (872) 315-3138
- Entity
- Type 1 · individual
Also registered at 4433 N Ravenswood Ave Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Celeste Bonanno, MSW, LSWClinical Social Worker1942740055
- Abigail Compernolle, LSWClinical Social Worker1194491928
- Emily Gumm, MSWClinical Social Worker1437933595
- Jessica Gwilliam, LCSWClinical Social Worker1922679976
- Jonathan Heiberger, LPCMental Health Counselor1023895679
- Jacob HosierSocial Worker1235885450
Verify John Ludwig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 149031732Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4,368 clinical social worker records list a practice address in Chicago
They are 4,368 of the 63,379 NPPES records with a practice address in Chicago, and 13,637 clinical social worker records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,368 in Chicago → All 13,637 in Illinois → Every provider in Chicago →
Other clinical social worker records in Illinois
- Leah A' Hearn, LCSWSavoy, IL1124790829
- Bruce AaronChicago, IL1013069087
- Melissa Aaron, LCSWWest Frankfort, IL1437505526
- Marcus Abate, MSWAurora, IL1679904767
- Nadia Abbas, LCSWChicago, IL1578176400
- Trisha Abbey, LCSWPalatine, IL1477970176
- Mary Abbott, LCSWElgin, IL1073787685
- Susan Abbott, LCSWOak Park, IL1235456930
- Ghada AbdallaChampaign, IL1235015553
- Samella Abdullah, PH.D.Chicago, IL1356404263
Common questions
What is John Ludwig, LSW's NPI number?
John Ludwig, LSW's National Provider Identifier (NPI) is 1255164455, issued on Aug 22, 2024. An NPI identifies a provider in billing; it is not a license.
Where is John Ludwig, LSW located?
The NPPES record lists a practice address at 4433 N Ravenswood Ave Ste 210, Chicago, IL, 60640. Phone: (773) 876-8763. Providers update this record themselves, so call before visiting.
How can I verify John Ludwig, LSW's license?
NPPES lists Illinois license number 149031732, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.