Lisa Sienkiewicz M.D.
About this NPIWhat this record shows.
NPI 1942566906 is registered to Lisa Sienkiewicz M.D., a Orthopaedic Surgery practising at 2424 S 90th St Ste 500 in West Allis, Wisconsin. Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles. Lisa Sienkiewicz M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2012.
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
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
- I20180818000007Orthopedic SurgeryWI
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 Lisa Sienkiewicz M.D. accepts. To confirm in-network status with your specific health plan, contact Lisa Sienkiewicz M.D. directly at (414) 321-2255.
Frequently asked
Yes. NPI 1942566906 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles.
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) 321-2255.
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. Lisa Sienkiewicz M.D. is a Type-1 individual NPI.