Leonard Kleinman M.D.
About this NPIWhat this record shows.
NPI 1255310256 is registered to Leonard Kleinman M.D., a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician practising at 2901 W Kinnickinnic River Pkwy, #310 in Milwaukee, Wisconsin. Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Leonard Kleinman M.D. 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
- 30387700WI
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 Leonard Kleinman M.D. accepts. To confirm in-network status with your specific health plan, contact Leonard Kleinman M.D. directly at (414) 649-3990.
Frequently asked
Yes. NPI 1255310256 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Thoracic Surgery (Cardiothoracic Vascular Surgery) 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 (414) 649-3990.
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. Leonard Kleinman M.D. is a Type-1 individual NPI.