Dr. John Wilhelm MD
About this NPIWhat this record shows.
NPI 1992822399 is registered to Dr. John Wilhelm MD, a Obstetrics & Gynecology practising at 3600 W Fullerton Ave in Chicago, Illinois. Obstetricians and Gynecologists (OB/GYNs) provide medical and surgical care for the female reproductive system, including pregnancy, childbirth, and gynecologic conditions. Dr. John Wilhelm MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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. John Wilhelm MD accepts. To confirm in-network status with your specific health plan, contact Dr. John Wilhelm MD directly at (773) 782-2800.
Frequently asked
Yes. NPI 1992822399 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Obstetricians and Gynecologists (OB/GYNs) provide medical and surgical care for the female reproductive system, including pregnancy, childbirth, and gynecologic conditions.
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 (773) 782-2800.
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. John Wilhelm MD is a Type-1 individual NPI.