Leonard Elkun MD
About this NPIWhat this record shows.
NPI 1023129145 is registered to Leonard Elkun MD, a Geriatric Psychiatry Physician practising at 411 W. Ontario St, Suite 402 in Chicago, Illinois. Geriatric Psychiatry Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Leonard Elkun MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20081203000264PsychiatryIL
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Leonard Elkun MD accepts. To confirm in-network status with your specific health plan, contact Leonard Elkun MD directly at (312) 943-8322.
Frequently asked
Yes. NPI 1023129145 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Geriatric Psychiatry Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (312) 943-8322.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Leonard Elkun MD is a Type-1 individual NPI.