David Knysak MD
About this NPIWhat this record shows.
NPI 1609876101 is registered to David Knysak MD, a Allergy & Immunology Physician practising at 360 W Butterfield Rd Ste 140 in Elmhurst, Illinois. Allergy & Immunology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. David Knysak MD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
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
- I20100618000826Allergy/ImmunologyIL
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 David Knysak MD accepts. To confirm in-network status with your specific health plan, contact David Knysak MD directly at (630) 574-0460.
Frequently asked
Yes. NPI 1609876101 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Allergy & Immunology 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 (630) 574-0460.
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. David Knysak MD is a Type-1 individual NPI.