Marvin M Chassin MD PC
NPI 1447457684ActiveOrganization· Internal Medicine, Medical Oncology· Mesa, AZ
Internal Medicine, Medical Oncology in Mesa, Arizona, registered in NPPES in June 2007. The authorized official on file is Julie Casillas, Administrator.
Overview
| NPI | 1447457684 |
|---|---|
| Status | Active |
| Entity type | Organization |
| NPI issued | Jun 29, 2007 |
| Last updated in NPPES | Apr 17, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|
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