NPPES file of Aug 9, 2026

Jonathan Castejon

Addiction (Substance Use Disorder) Counselor · Chicago, IL

Jonathan Castejon is an addiction (substance use disorder) counselor with a practice address in Chicago, Illinois, and NPI 1013867506, issued on Feb 2, 2026. Check the license (Illinois CADC-45266, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1013867506
Name
Jonathan Castejon
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
CADC-45266 IL
Self-reported in NPPES; status is on the state search
Practice location
171 W Oak St Apt 11E, Chicago, IL 60610
Phone
(773) 807-1330
Enumerated
Feb 2, 2026
Record last updated
Feb 2, 2026
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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8 nearest addiction (substance use disorder) counselor records → All 1,195 in Illinois → Look up another NPI →

Verify Jonathan Castejon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license CADC-45266    Check 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Jonathan Castejon among 1,195 addiction (substance use disorder) counselor records in Illinois

Jonathan Castejon is one of 1,195 addiction (substance use disorder) counselor records with a practice address in Illinois. 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2026, is newer than 96% of them.

  • NPI issued2026 · 96% of these records are older, 0% newer
  • In a Medicare fileNo · 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2026 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction (Substance Use Disorder) Counselor providers in Illinois

There are 1,195 addiction (substance use disorder) counselor records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,195 in Illinois → Every provider in Chicago → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Michael Giammanco, MA CADCChicago, IL 606101215237151
  2. Steven Hart, CADCChicago, IL 606101427358449
  3. Linda PlamondonChicago, IL 606101942500988
  4. Anthony Sunzeri, BA CADCChicago, IL 606101134429178
  5. Monica Connelly, MSW, CADCChicago, IL 606111417418914
  6. Mindy Gold, LCPCChicago, IL 606111568443943
  7. Mary Henry, CADCChicago, IL 606111629744693
  8. Collean HillChicago, IL 606091477205425

Common questions

What is Jonathan Castejon's NPI number?

Jonathan Castejon's National Provider Identifier (NPI) is 1013867506, issued on Feb 2, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Castejon located?

The NPPES record lists a practice address at 171 W Oak St Apt 11E, Chicago, IL, 60610. Phone: (773) 807-1330. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Castejon's license?

NPPES lists Illinois license number CADC-45266, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.