Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
GREGORY PATRICK JOHNSTON, MD
Active Sole ProprietorGREGORY PATRICK JOHNSTON, MD is a Therapeutic Radiology healthcare provider located in CHICAGO, Illinois. NPI 1154958486 is currently active in the NPPES registry. Verify at CMS.
Therapeutic Radiology · CHICAGO, IL
Registration Details
- NPI Number
- 1154958486
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Mar 25, 2020 (6.4267694227533 yrs)
- Last Updated
- Jul 1, 2025
- License
-
125.085128 (IL)
- Sole Proprietor
- Yes
Practice Information
- Address
-
251 E HURON STCHICAGO, IL, 606112908Browse IL providers · Browse ZIP 60611
- Phone
- 3129262000
- Primary Specialty
-
Therapeutic Radiology
2085R0204X
- Additional Specialty
- Therapeutic Radiology
Other Therapeutic Radiology Providers in CHICAGO, IL
| Name | Credential | NPI |
|---|---|---|
| STANLEY T KIM | M.D. | 1790779791 |
| DR. JEFFREY T CHOH | M.D. | 1588641104 |
| DR. FRANTZ PIERRE-JEROME | MD | 1164496097 |
| RICHARD CHEN | DO | 1124081435 |
| DR. WILLIAM C BECHTEL | MD | 1740220664 |
| ROBERT LEWANDOWSKI | MD | 1689618761 |
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.