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Nicholas Leahy
NPI 1366386682 · Psychiatry Physician · Chicago, IL
Nicholas Leahy is a Psychiatry Physician provider in Chicago, IL (NPI 1366386682).
Provider details
- NPI number
- 1366386682
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 125087875 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
5841 S Maryland Ave
M/C 3077
Chicago, IL 60637-1443
Phone: (773) 702-3858
Fax: (773) 702-1196
Street-level locationGet directions
Mailing address
180 Harvester Dr Ste 110
Burr Ridge, IL 60527-6686
Registry dates
- Enumerated
- 2026-04-16
- Last updated
- 2026-05-26
- Certified
- 2026-05-26
Frequently asked questions
- What is Nicholas Leahy's NPI number?
- Nicholas Leahy's National Provider Identifier (NPI) is 1366386682, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Leahy's specialty?
- Nicholas Leahy is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Leahy located?
- Nicholas Leahy's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Nicholas Leahy's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Leahy is (773) 702-3858.
- Is Nicholas Leahy's NPI active?
- Yes — Nicholas Leahy's NPI (1366386682) is active in the NPPES registry as of the last update on 2026-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.