Renee Marszalek MD
About this NPIWhat this record shows.
NPI 1730163445 is registered to Renee Marszalek MD, a Hospitalist practising at 36500 Aurora Dr in Summit, Wisconsin. Hospitalist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Renee Marszalek MD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
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
- 34574400WI
Source: NPPES public registry.
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
- I20041021000912Internal MedicineWI
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 Renee Marszalek MD accepts. To confirm in-network status with your specific health plan, contact Renee Marszalek MD directly at (262) 434-5000.
Frequently asked
Yes. NPI 1730163445 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Hospitalist 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) 434-5000.
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. Renee Marszalek MD is a Type-1 individual NPI.