Dr. Gregory Johnston, MD
6+
Years in Practice
Practice Locations
4 locations
About Dr. Gregory Johnston
Gregory Johnston, MD is a healthcare provider.
4
Locations
Credentials & Board Certifications
No board certifications on file.
Credentials verified via NPI Registry (NPPES)
Education & Training
No education details on file.
Public Data Summary for Dr. Gregory Johnston
In their first decade of practice, Dr. Gregory Johnston represents the newer generation of healthcare providers, MD,. Dr. currently practices across 4 facilities, including Northwestern Memorial Hospital in Chicago, Illinois. Their National Provider Identifier (NPI) is 1154958486, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
Transparency & Safety
Public records from CMS and OIG databases
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. Gregory Johnston
--
0 reviews
FAQ
Frequently asked questions about Dr. Gregory Johnston
Where does Dr. Gregory Johnston practice?
Dr. Gregory Johnston practices at Northwestern Memorial Hospital in Chicago, Illinois. Dr. is also affiliated with 3 additional facilities, listed below.
Does Dr. Gregory Johnston accept Medicare?
CartoChrome does not have a verified Medicare assignment record for Dr. Gregory Johnston. CMS opt-out records should be checked directly, and patients should call the practice to confirm Medicare acceptance for their specific plan.
What is Dr. Gregory Johnston's NPI number?
Dr. Gregory Johnston's National Provider Identifier (NPI) is 1154958486. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Dr. Gregory Johnston been practicing?
Dr. Gregory Johnston has approximately 6 years of practice experience.