NPPES file of Aug 9, 2026

Johnathan Jay Marchbanks, MSW

Clinical Social Worker · O Fallon, IL

Johnathan Jay Marchbanks, MSW is a clinical social worker with a practice address in O Fallon, Illinois, and NPI 1740802941, issued on May 11, 2020. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740802941
Name
Johnathan Jay Marchbanks
Credential
MSW
Primary taxonomy
Clinical Social Worker 1041C0700X
Practice location
6 Eagle Ctr, O Fallon, IL 62269
Phone
(618) 206-8816
Enumerated
May 11, 2020
Record last updated
Apr 24, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6 Eagle Ctr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elizabeth Bowman, BEHAVIOR TECHNICIANBehavior Technician1417579491
  2. Jennifer DialBehavior Technician1295357960
  3. Caroline EffingerBehavior Technician1720600711
  4. Brittany FarrisBehavior Technician1558953539
  5. Rodnica McGee, BTBehavior Technician1194476432
  6. Anna Obannonn, RBTBehavior Technician1326661992

Verify Johnathan Jay Marchbanks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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29 clinical social worker records list a practice address in O Fallon

They are 29 of the 1,077 NPPES records with a practice address in O Fallon, and 13,637 clinical social worker records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical social worker records in Illinois

  1. Leah A' Hearn, LCSWSavoy, IL1124790829
  2. Bruce AaronChicago, IL1013069087
  3. Melissa Aaron, LCSWWest Frankfort, IL1437505526
  4. Marcus Abate, MSWAurora, IL1679904767
  5. Nadia Abbas, LCSWChicago, IL1578176400
  6. Trisha Abbey, LCSWPalatine, IL1477970176
  7. Mary Abbott, LCSWElgin, IL1073787685
  8. Susan Abbott, LCSWOak Park, IL1235456930
  9. Ghada AbdallaChampaign, IL1235015553
  10. Samella Abdullah, PH.D.Chicago, IL1356404263

Common questions

What is Johnathan Jay Marchbanks, MSW's NPI number?

Johnathan Jay Marchbanks, MSW's National Provider Identifier (NPI) is 1740802941, issued on May 11, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Johnathan Jay Marchbanks, MSW located?

The NPPES record lists a practice address at 6 Eagle Ctr, O Fallon, IL, 62269. Phone: (618) 206-8816. Providers update this record themselves, so call before visiting.

How can I verify Johnathan Jay Marchbanks, MSW'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.