Joshua F. Mark, LCSW
Clinical Social Worker · Winnetka, IL
Joshua F. Mark, LCSW is a clinical social worker with a practice address in Winnetka, Illinois, and NPI 1770630923, issued on Jan 3, 2007. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Joshua F. Mark
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- Practice location
- 545 Lincoln Ave, Winnetka, IL 60093
- Phone
- (847) 441-8323
- Enumerated
- Jan 3, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (847) 441-4993
- Entity
- Type 1 · individual
Also registered at 545 Lincoln Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cynthia Ashton, LCPCProfessional Counselor1770814451
- Rebecca Denosaquo, PSY.D.Clinical Psychologist1003075979
- Jennifer Goldstein, LCSWClinical Social Worker1053616573
- Carol Kemp, MSWSpecialist1003025149
- Cathleen Margolin, PH.D.Clinical Psychologist1578686960
- Jane McCormack, PH.D.Specialist1598889883
Verify Joshua F. Mark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21 clinical social worker records list a practice address in Winnetka
They are 21 of the 205 NPPES records with a practice address in Winnetka, 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 21 in Winnetka → All 13,637 in Illinois → Every provider in Winnetka →
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 Joshua F. Mark, LCSW's NPI number?
Joshua F. Mark, LCSW's National Provider Identifier (NPI) is 1770630923, issued on Jan 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joshua F. Mark, LCSW located?
The NPPES record lists a practice address at 545 Lincoln Ave, Winnetka, IL, 60093. Phone: (847) 441-8323. Providers update this record themselves, so call before visiting.
How can I verify Joshua F. Mark, LCSW's license?
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.