Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Thomas Grulkowski
Perfusionist in West Allis, WI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1487837993
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Thomas Grulkowski
Sex Male
Practice address 10150 W National Ave, Suite 190, West Allis, WI, 53227
Phone (414) 271-5119
Enumeration date Dec 7, 2007
Last updated in NPPES Dec 7, 2007
Taxonomy & licenses
242T00000X Perfusionist Technologists, Technicians & Other Technical Service Providers · License 85-018 (WI) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Thomas Grulkowski practice?
The practice location on file with NPPES is in West Allis, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Thomas Grulkowski?
The National Provider Identifier (NPI) for Thomas Grulkowski is 1487837993, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → David Scheidt Optometrist · West Allis, WI NPI 1780652321 Mark Freedman Ophthalmology Physician · West Allis, WI NPI 1053389643 Robert Sucher Ophthalmology Physician · West Allis, WI NPI 1912975418 Brett Rhode Ophthalmology Physician · West Allis, WI NPI 1639147879 Daniel Ferguson Ophthalmology Physician · West Allis, WI NPI 1124097936 Cecilia Ortiz Clinical Social Worker · West Allis, WI NPI 1417007493 Vision Forward Association Incorporated Physical Therapist · West Allis, WI NPI 1811101645 Daniel Paskowitz Ophthalmology Physician · West Allis, WI NPI 1992907885
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-12-07.