# MR. JOHN T CALLAHAN

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- **Entity:** Individual
- **Status:** Active
- **Sole proprietor:** Yes

## Provider details

- **NPI number:** 1497097885
- **Gender:** Man
- **Credential:** R.PH.

## Taxonomy

| Code | Description | License number | State | Primary |
| --- | --- | --- | --- | --- |
| 183500000X | Pharmacist | 051303891 | IL | — |
| 183500000X | Pharmacist | 10452 | CO | — |
| 183500000X | Pharmacist | 2589 | WY | Yes |

## Other

- **Enumeration date:** 03/23/2013
- **Last updated:** 05/01/2026