Quick answers
- Does Martin B. Leichtman accept Medicare assignment?
- Medicare's clinician data says Martin B. Leichtman may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Martin B. Leichtman's NPI number?
- 1700823390. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Martin B. Leichtman is enrolled with Medicare (CMS data updated October 2, 2026).
- 2272 95th St, Suite 305Naperville, IL 60564 (630) 753‑9800
Group practices
Medicare enrollment lists Martin B. Leichtman as a member of this group (CMS data updated October 2, 2026).
- Modify PC5 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Naperville
Clinicians with the same Medicare primary specialty in Naperville, IL — not a recommendation.
Other clinicians in Modify PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 1972 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1700823390 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians