Individual
GREGORY PATRICK JOHNSTON
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Credential
MD
Contact information
Practice address
251 E HURON ST, CHICAGO, IL 60611-2908
(312) 926-2000
Mailing address
423 E OHIO ST UNIT 205, CHICAGO, IL 60611-3050
(321) 297-9360
Taxonomy
Speciality
Code
Description
License number
State
2085R0204X
Vascular & Interventional Radiology Physician
Primary
125.085128
IL
390200000X
Student in an Organized Health Care Education/Training Program
—
—
Other
Enumeration date
03/25/2020
Last updated
07/01/2025
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