# DIAGNOSTIC CENTER

> Is this information incorrect? This page shows public data from NPPES. Update your record in NPPES and this page will update automatically within 7 days. [Update your NPPES record](https://nppes.cms.hhs.gov)

- **Entity:** Organization
- **Status:** Active
- **Organization subpart:** No

## Provider details

- **NPI number:** 1649269366
- **Authorized official:** MARK D ESTABROOK (CEO)
- **Authorized official phone:** (423) 698-2435

## Contact information

- **Practice address:** 2205 MCCALLIE AVE, CHATTANOOGA, TN 37404-3323
- **Practice address phone:** (423) 698-2435
- **Practice address fax:** (423) 697-6110
- **Mailing address:** 2205 MCCALLIE AVE, CHATTANOOGA, TN 37404-3323
- **Mailing address phone:** (423) 698-2435
- **Mailing address fax:** (423) 697-6110

## Taxonomy

| Code | Description | License number | State | Primary |
| --- | --- | --- | --- | --- |
| 207R00000X | Internal Medicine Physician | — | NULL | — |
| 207R00000X | Internal Medicine Physician | — | — | — |
| 207RC0000X | Cardiovascular Disease Physician | — | NULL | — |
| 207RC0000X | Cardiovascular Disease Physician | — | — | — |
| 207RE0101X | Endocrinology, Diabetes & Metabolism Physician | — | NULL | — |
| 207RE0101X | Endocrinology, Diabetes & Metabolism Physician | — | — | — |
| 207RI0200X | Infectious Disease Physician | — | NULL | — |
| 207RI0200X | Infectious Disease Physician | — | — | — |
| 207RP1001X | Pulmonary Disease Physician | — | NULL | Yes |
| 207RP1001X | Pulmonary Disease Physician | — | — | Yes |

## Other

- **Enumeration date:** 10/14/2005
- **Last updated:** 09/11/2025