Brian Leahy, PHD
NPI 1679505358 · Clinical Neuropsychologist · Elk Grove Village, IL
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Leahy, PHD is a Clinical Neuropsychologist provider in Elk Grove Village, IL (NPI 1679505358).
Provider details
- NPI number
- 1679505358
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 071-006516 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Psychologist103T00000X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,723 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Administration of Psychological Or Neuropsychological Test By Technician, Each Additional 30 Minutes96139 | 1,293 | $35 |
| Evaluation of Neuropsychological Test, Each Additional Hour96133 | 454 | $97 |
| Exam of Neurobehavioral Status, First Hour96116 | 226 | $93 |
| Evaluation of Neuropsychological Test, First Hour96132 | 225 | $129 |
| Administration of Psychological Or Neuropsychological Test By Technician, First 30 Minutes96138 | 215 | $34 |
| Administration of Psychological Or Neuropsychological Test, First 30 Minutes96136 | 211 | $42 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2021-03-22
- Certified
- 2021-03-22
Frequently asked questions
- What is Brian Leahy's NPI number?
- Brian Leahy's National Provider Identifier (NPI) is 1679505358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Leahy's specialty?
- Brian Leahy is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Brian Leahy located?
- Brian Leahy's practice location on file with NPPES is 800 Biesterfield Rd, Elk Grove Village, IL 60007-3311.
- What is Brian Leahy's phone number?
- The practice phone number listed in the NPPES registry for Brian Leahy is (847) 981-3630.
- Does Brian Leahy accept Medicare?
- Brian Leahy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Leahy's NPI active?
- Yes — Brian Leahy's NPI (1679505358) is active in the NPPES registry as of the last update on 2021-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.