| NPI | LastName | FirstName | MidName | Organization | Mailing Address | City | State | Zip |
| 1023035938 | | | | MELVIN J GOLDSTEIN, M.D.,S.C. | PO BOX 388320 | CHICAGO | IL | 606388320 |
| 1063487692 | | | | MARSHALL SPARBERG, MD, LTD | 1730 PARK ST | NAPERVILLE | IL | 605632688 |
| 1225076706 | | | | NORTHWESTERN SURGICAL ASSOCIATES | PO BOX 421 | WINNETKA | IL | 600930421 |
| 1750442893 | | | | NORTHWESTERN SURGICAL ASSOCIATES | PO BOX 421 | WINNETKA | IL | 600930421 |
| 1376531400 | GOLDSTEIN | MELVIN | J | | PO BOX 388320 | CHICAGO | IL | 606388320 |
| 1225084031 | HARTZ | WILLSON | | | PO BOX 388320 | CHICAGO | IL | 606388320 |
| 1629167903 | MUELLER | KYLE | | | PO BOX 388320 | CHICAGO | IL | 606388320 |
| 1700852571 | SPARBERG | MARSHALL | S | | 1730 PARK ST | NAPERVILLE | IL | 605632688 |
| 1760448096 | STRYKER | STEVEN | J | | 5501 W 79TH ST | BURBANK | IL | 604591784 |
| 1821085358 | TOYAMA | MARK | | | PO BOX 388320 | CHICAGO | IL | 606388320 |
| 1235126764 | UJIKI | GERALD | | | PO BOX 388320 | CHICAGO | IL | 606388320 |