John Leshock
About this NPIWhat this record shows.
NPI 1811544711 is registered to John Leshock, a Anesthesiology practising at 240 E Huron St Ste 1-200 in Chicago, Illinois. Anesthesiology is the medical specialty concerned with the perioperative care of patients before, during, and after surgery, including pain management. John Leshock has been enumerated in the National Provider Identifier (NPI) registry since 2019.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- QMA829447725IL· Issued by BLUECROSS BLUESHIELD
Source: NPPES public registry.
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.
Order and Referring Only
- I20240714000047AnesthesiologyIL
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 John Leshock accepts. To confirm in-network status with your specific health plan, contact John Leshock directly at (312) 503-7975.
Frequently asked
Yes. NPI 1811544711 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Anesthesiology is the medical specialty concerned with the perioperative care of patients before, during, and after surgery, including pain management.
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) 503-7975.
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. John Leshock is a Type-1 individual NPI.