Quick answers
- Where does Brian J. Leahy see patients?
- Medicare's clinician data lists 3 practice locations, including Hoffman Est, IL, Elk Grove Village, IL and Lake Bluff, IL. Call before your visit to confirm the address.
- What is Brian J. Leahy's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Brian J. Leahy accept Medicare assignment?
- Yes. Medicare's clinician data says Brian J. Leahy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Brian J. Leahy?
- (847) 755-8208, as listed in official Medicare / NPI Registry data.
- What is Brian J. Leahy's NPI number?
- 1679505358. 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 Brian J. Leahy is enrolled with Medicare (CMS data updated 2026-10-02).
- 1786 Moon Lake BlvdHoffman Est, IL 60194 (847) 755‑8208
- 800 Biesterfield RdElk Grove Village, IL 60007
- 900 N Shore Dr, Suite 281Lake Bluff, IL 60044 (312) 399‑5027
Group practices
Medicare enrollment lists Brian J. Leahy as a member of these groups (CMS data updated 2026-10-02).
- Bonaventure Medical Foundation LLC167 clinicians in the group
- Cognizant Psychological Services PLLC2 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679505358 |
| 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 2026-10-02, retrieved 2026-10-29
- 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