NPPES file of Aug 9, 2026

Martin Leichtman, PH. D.

Clinical Psychologist · Naperville, IL

Martin Leichtman, PH. D. is a clinical psychologist with a practice address in Naperville, Illinois, and NPI 1700823390, issued on Jun 1, 2006. Check the license (Illinois 071.011161, 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
1700823390
Name
Martin Leichtman
Credential
PH. D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
071.011161 IL
296 KS
Self-reported in NPPES; status is on the state search
Practice location
2272 95TH St Ste 305, Naperville, IL 60564
Phone
(630) 753-9800
Enumerated
Jun 1, 2006
Record last updated
Dec 10, 2024
Fax
(913) 345-1464
Medicare enrollment
Enrolled (PECOS I20250102000444); may accept Medicare assignment
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 2272 95TH St Ste 305

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

  1. Rebecca Bullock, MS, LPCProfessional Counselor1184388845
  2. Adriana Del OlmoMental Health Counselor1184397028
  3. Sotiria Kapsis, LCPCProfessional Counselor1609503671
  4. Emily KochProfessional Counselor1174242721
  5. Abby LauerProfessional Counselor1386270486
  6. Julie Mostyn, LCPCProfessional Counselor1285388835

Verify Martin Leichtman 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 071.011161    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. Modify PCNaperville, IL

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

Martin Leichtman among 3,947 clinical psychologist records in Illinois

Martin Leichtman, PH. 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 76% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated1972 · median 2004 among the 1,081 with a school on file
  • Record last updated2024 · 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. Smitha Bhat, PSYDNaperville, IL 605641447561329
  2. George Bialkowski, PSY.D.Naperville, IL 605641669713475
  3. Shannon Calvert Osuchowski, PSY.D.Naperville, IL 605641811245269
  4. Amanda Comstock, PSY.D.Naperville, IL 605641457769291
  5. Nicholas Costakis, PSY. D.Naperville, IL 605641225370430
  6. Deborah Johnson Heim, PSY DNaperville, IL 605641083793632
  7. Meghan Kennedy, PSYDNaperville, IL 605641720431026
  8. Rosa Lapietra, PSY.DNaperville, IL 605641518129634

Common questions

What is Martin Leichtman, PH. D.'s NPI number?

Martin Leichtman, PH. D.'s National Provider Identifier (NPI) is 1700823390, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Martin Leichtman, PH. D. located?

The NPPES record lists a practice address at 2272 95TH St Ste 305, Naperville, IL, 60564. Phone: (630) 753-9800. Providers update this record themselves, so call before visiting.

How can I verify Martin Leichtman, PH. D.'s license?

NPPES lists Illinois license number 071.011161, 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.