NPPES file of Aug 9, 2026

Christopher Paul Chroniak, PHD

Psychologist · Chicago, IL

Christopher Paul Chroniak, PHD is a psychologist with a practice address in Chicago, Illinois, and NPI 1326136425, issued on Oct 11, 2006. Check the license 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
1326136425
Name
Christopher Paul Chroniak
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
Practice location
122 S Michigan Ave, Chicago, IL 60603
Phone
(312) 786-9772
Enumerated
Oct 11, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(312) 588-0890
Medicare enrollment
Enrolled (PECOS I20060109000386); 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 psychologist records → All 1,011 in Illinois → Look up another NPI →

Also registered at 122 S Michigan Ave

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

  1. Oluwabukola Adeyinka, LMFTMarriage & Family Therapist1326591637
  2. Pavielle ArthurBehavior Technician1770474645
  3. Rolanda Brown, MS, MA, LMFTMarriage & Family Therapist1063175784
  4. Kailan ButlerBehavior Technician1306737275
  5. Princess CollinsBehavior Technician1215828181
  6. Craig Conover, M.D.Infectious Disease Physician1588661607

Verify Christopher Paul Chroniak 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

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 one group practice

  1. The Insight Center LtdChicago, IL

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

Christopher Paul Chroniak among 1,011 psychologist records in Illinois

Christopher Paul Chroniak, PHD is one of 1,011 psychologist records with a practice address in Illinois. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 75% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 20% of these records are
  • Graduated1995 · median 2001 among the 201 with a school on file
  • Record last updated2007 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Illinois

There are 1,011 psychologist records in Illinois.

All 1,011 in Illinois → Every provider in Chicago → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Joseph Anderson, MAChicago, IL 606031326873779
  2. Karen Chroniak, PHDChicago, IL 606031194813139
  3. Aaron Cooper, PH.D.Chicago, IL 606031750518015
  4. Maryann Gregory, PHDChicago, IL 606031851311013
  5. Daniel Kegan, PHD, JDChicago, IL 606031831680156
  6. James McClymonds, PSY.D., HSPPChicago, IL 606031679855209
  7. Claudia Mosier, PSY.D.Chicago, IL 606031336261643
  8. Mayumi Nakamura, PSY.D.Chicago, IL 606031881991198

Common questions

What is Christopher Paul Chroniak, PHD's NPI number?

Christopher Paul Chroniak, PHD's National Provider Identifier (NPI) is 1326136425, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Paul Chroniak, PHD located?

The NPPES record lists a practice address at 122 S Michigan Ave, Chicago, IL, 60603. Phone: (312) 786-9772. Providers update this record themselves, so call before visiting.

How can I verify Christopher Paul Chroniak, PHD'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. 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.