| NPI | LastName | FirstName | MidName | Organization | Mailing Address | City | State | Zip |
| 1689754749 | MARSHALL CARDIOLOGY, PC | PO BOX 43130 | TUCSON | AZ | 857333130 | |||
| 1427079987 | MARSHALL | TIMOTHY | M | PO BOX 43130 | TUCSON | AZ | 857333130 | |
| 1972542108 | SINGH | GUNDEEP | PO BOX 43130 | TUCSON | AZ | 857333130 |