Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. CHAD R. JOHNSTON, MD
ActiveDR. CHAD R. JOHNSTON, MD is a Internal Medicine healthcare provider located in DU QUOIN, Illinois. NPI 1538239520 is currently active in the NPPES registry. Verify at CMS.
Internal Medicine · DU QUOIN, IL
Registration Details
- NPI Number
- 1538239520
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Nov 8, 2006 (19.80089778848 yrs)
- Last Updated
- Dec 2, 2025
- Licenses
-
0058849 (CO)036119004 (IL)A95435 (CA)
Practice Information
- Address
-
916 N WASHINGTON STDU QUOIN, IL, 628321200Browse IL providers · Browse ZIP 62832
- Phone
- 6185422146
- Primary Specialty
-
Internal Medicine
207R00000X
- Additional Specialty
- Internal Medicine
- Additional Specialty
- Internal Medicine
Other Internal Medicine Providers in DU QUOIN, IL
| Name | Credential | NPI |
|---|---|---|
| ANOTHAI TAVEE | M.D. | 1962417550 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.