James Leonhardt MD
About this NPIWhat this record shows.
NPI 1700859535 is registered to James Leonhardt MD, a Specialist practising at 1111 Delafield St, Suite 311 in Waukesha, Wisconsin. Specialist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. James Leonhardt MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
- 32077900WI
Source: NPPES public registry.
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 James Leonhardt MD accepts. To confirm in-network status with your specific health plan, contact James Leonhardt MD directly at (262) 544-4411.
Frequently asked
Yes. NPI 1700859535 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Specialist 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 (262) 544-4411.
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. James Leonhardt MD is a Type-1 individual NPI.