IndividualActive
Gregory Johnston, MD
NPI 1154958486 · Vascular & Interventional Radiology Physician · Chicago, IL
Provider details
- NPI number
- 1154958486
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Mailing address
423 E Ohio St Unit 205
Chicago, IL 60611-3050
Registry dates
- Enumerated
- 2020-03-25
- Last updated
- 2025-07-01
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.