Derek De Mann DO
About this NPIWhat this record shows.
NPI 1134681729 is registered to Derek De Mann DO, a Urology Physician practising at 40 S Clay St Ste 200 in Hinsdale, Illinois. Urology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Derek De Mann DO has been enumerated in the National Provider Identifier (NPI) registry since 2019.
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
- I20240905001814UrologyIL
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 Derek De Mann DO accepts. To confirm in-network status with your specific health plan, contact Derek De Mann DO directly at (630) 790-1221.
Frequently asked
Yes. NPI 1134681729 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Urology 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) 790-1221.
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. Derek De Mann DO is a Type-1 individual NPI.