Dr. Stephen Kwak DO
About this NPIWhat this record shows.
NPI 1831517580 is registered to Dr. Stephen Kwak DO, a Diagnostic Radiology practising at 1000 N Westmoreland Rd in Lake Forest, Illinois. Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury. Dr. Stephen Kwak DO has been enumerated in the National Provider Identifier (NPI) registry since 2014.
Your brand here.
Medicare enrollment
This provider holds 3 Medicare enrollments 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
- I20190729000357Diagnostic RadiologyPA
- I20200721003103Diagnostic RadiologyIL
- I20260202000148Diagnostic RadiologyIA
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 Dr. Stephen Kwak DO accepts. To confirm in-network status with your specific health plan, contact Dr. Stephen Kwak DO directly at (847) 234-5600.
Frequently asked
Yes. NPI 1831517580 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury.
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 (847) 234-5600.
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. Dr. Stephen Kwak DO is a Type-1 individual NPI.