NPPES file of Aug 9, 2026

Michael J. Ingersoll, PSY.D

Clinical Psychologist · Naperville, IL

Michael J. Ingersoll, PSY.D is a clinical psychologist with a practice address in Naperville, Illinois, and NPI 1487630737, issued on Dec 19, 2005. Check the license (Illinois 071004707, 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
1487630737
Name
Michael J. Ingersoll
Credential
PSY.D
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
071004707 IL
Self-reported in NPPES; status is on the state search
Practice location
640 S Washington St, Naperville, IL 60540
Phone
(815) 942-6323
Enumerated
Dec 19, 2005
Record last updated
May 24, 2023
Fax
(815) 942-6363
Medicare enrollment
Enrolled (PECOS I20040608000574); 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 clinical psychologist records → All 3,947 in Illinois → Look up another NPI →

Also registered at 640 S Washington St

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

  1. Robert Allanson, M.S., LCPC, CADCProfessional Counselor1851787154
  2. Shannon Allegretti, PSY.D.Clinical Psychologist1407989080
  3. Kristina Anderson, LCSWClinical Social Worker1861049611
  4. Matthew Atkinson, LCPCProfessional Counselor1487226734
  5. Lisa Borgealt, D.C., APNNurse Practitioner1003107350
  6. Lauren Campbell, MSW, LSW, QMHPSocial Worker1659807196

Verify Michael J. Ingersoll 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 071004707    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 one group practice

  1. Dupage Medical Group LtdBloomingdale, IL

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

Michael J. Ingersoll among 3,947 clinical psychologist records in Illinois

Michael J. Ingersoll, PSY.D is one of 3,947 clinical psychologist records with a practice address in Illinois. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 98% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated1991 · median 2004 among the 1,081 with a school on file
  • Record last updated2023 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

137 clinical psychologist records list a practice address in Naperville

They are 137 of the 4,634 NPPES records with a practice address in Naperville, and 3,947 clinical psychologist records in Illinois.

All 3,947 in Illinois → Every provider in Naperville → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Carolyn Atkinson, PH.D.Naperville, IL 605401093828824
  2. Rulon Gibson, PH.D.Naperville, IL 605401689686925
  3. Joseph Keegan, PSYDNaperville, IL 605401962418871
  4. Josephine Kennedy, PSY.D.Naperville, IL 605401902876816
  5. Donna Lettieri-Marks, PSY.D.Naperville, IL 605401346233665
  6. Joanne Lorenz, PH.D.Naperville, IL 605401497725394
  7. Lisa Pinto, PSYDNaperville, IL 605401053417097
  8. Pamela Rebeck, PHDNaperville, IL 605401497740070

Common questions

What is Michael J. Ingersoll, PSY.D's NPI number?

Michael J. Ingersoll, PSY.D's National Provider Identifier (NPI) is 1487630737, issued on Dec 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael J. Ingersoll, PSY.D located?

The NPPES record lists a practice address at 640 S Washington St, Naperville, IL, 60540. Phone: (815) 942-6323. Providers update this record themselves, so call before visiting.

How can I verify Michael J. Ingersoll, PSY.D's license?

NPPES lists Illinois license number 071004707, 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.