NPPES file of Aug 9, 2026

Michelle Diaz, PTA

Professional Counselor · Chicago, IL

Michelle Diaz, PTA is a professional counselor with a practice address in Chicago, Illinois, and NPI 1902447469, issued on Oct 4, 2019. Check the license (Illinois 180015525, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1902447469
Name
Michelle Diaz
Credential
PTA
Primary taxonomy
Professional Counselor 101YP2500X
License number
180015525 IL
Self-reported in NPPES; status is on the state search
Practice location
3309 N Oconto Ave, Chicago, IL 60634
Phone
(773) 895-0753
Enumerated
Oct 4, 2019
Record last updated
Jun 10, 2026
Medicare enrollment
Enrolled (PECOS I20240205002412); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest professional counselor records → All 9,508 in Illinois → Look up another NPI →

Verify Michelle Diaz 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 180015525    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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Bills Medicare through 2 group practices

  1. Rockford Psychiatric Medical Services SCChicago, IL
  2. Vitae Health Medical Illinois, PLLCChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michelle Diaz among 9,508 professional counselor records in Illinois

Michelle Diaz, PTA is one of 9,508 professional counselor records with a practice address in Illinois. 10% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 58% of them.

  • NPI issued2019 · 58% of these records are older, 37% newer
  • In a Medicare fileYes · 10% of these records are
  • In the CMS Doctors and Clinicians fileYes · 15% of these records are
  • Graduated2008 · median 2012 among the 1,382 with a school on file
  • Record last updated2026 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YP2500X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2,405 professional counselor records list a practice address in Chicago

They are 2,405 of the 63,379 NPPES records with a practice address in Chicago, and 9,508 professional counselor records in Illinois.

All 9,508 in Illinois → Every provider in Chicago → Professional Counselor nationwide →

The 8 professional counselor records with the nearest ZIP codes

  1. Dane Davlantis, LPCChicago, IL 606341508239849
  2. Erin Dieckhoff, LCPCChicago, IL 606341134553506
  3. Yoona HanniganChicago, IL 606341972012029
  4. Jessica MayansChicago, IL 606341225402688
  5. Allison Melchi, LCPCChicago, IL 606341265178750
  6. Carmen Ochoa-Galindo, ED.D, LCPCChicago, IL 606341962827964
  7. Jammie Rubio, LCPC, LPHAChicago, IL 606341801394069
  8. Brandon Silverman, LCPC, NCC, MAChicago, IL 606341073106977

Common questions

What is Michelle Diaz, PTA's NPI number?

Michelle Diaz, PTA's National Provider Identifier (NPI) is 1902447469, issued on Oct 4, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Michelle Diaz, PTA located?

The NPPES record lists a practice address at 3309 N Oconto Ave, Chicago, IL, 60634. Phone: (773) 895-0753. Providers update this record themselves, so call before visiting.

How can I verify Michelle Diaz, PTA's license?

NPPES lists Illinois license number 180015525, 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. Medicare files from data.cms.gov. 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.