Dr. Gregory Scott Johnston , MD
General Practice • Phoenix, AZ
Professional Overview & Biography Verified Profile Summary
Dr. Gregory Johnston, MD is a registered healthcare professional specializing in General Practice in Phoenix, AZ. Practice services are available at 515 N 18TH ST under active NPI credentials.
Practice Location & Contact Primary Location
515 N 18th St
Phoenix, AZ 850063726
Specialty Benchmarks & Practice Insights
Comparative analytics for General Practice in Phoenix, AZ
Practicing in Phoenix, AZ (259 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 208D00000X
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Physician Assistant - Medical
Physician Assistant
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
NPI status registered as active in NPPES database
Registered at 515 N 18TH ST, PHOENIX, AZ 850063726 (Tel: 6024700021)
Registered at 515 N 18TH ST, PHOENIX, AZ 850063726 (Tel: 6024700021)
Recorded as GREGORY JOHNSTON, M.D.
General Practice (License #18453 in AZ)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
Sign in to leave a review for Dr. Gregory Johnston
Only verified registered users can submit ratings, post feedback, and upload facility photos.
NPI Administrative Meta
Mailing Address
515 N 18th St
Phoenix, AZ 850063726
Phone: 6024700021
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.