Dr. William Slikker M.D.
About this NPIWhat this record shows.
NPI 1598077877 is registered to Dr. William Slikker M.D., a Orthopaedic Surgery practising at 1653 W Congress Pkwy in Chicago, Illinois. Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles. Dr. William Slikker M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2010.
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
- I20161201001229Orthopedic SurgeryCA
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. William Slikker M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. William Slikker M.D. directly at (312) 942-5495.
Frequently asked
Yes. NPI 1598077877 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles.
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) 942-5495.
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. William Slikker M.D. is a Type-1 individual NPI.